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Finding the Fourth Proportional to 7,426.76, 10,230.77 and 6,361.03

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Solution

The fourth proportional to 7,426.76, 10,230.77 and 6,361.03 is: 8,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.76 : 10,230.77 = 6,361.03 : x
  2. Step 2: Convert to fraction form
    7,426.76/10,230.77 = 6,361.03/x
  3. Step 3: Cross multiply
    7,426.76x = 10,230.77 × 6,361.03
  4. Step 4: Simplify right side
    7,426.76x = 65,078,263.58
  5. Step 5: Solve for x
    x = 65,078,263.58/7,426.76
  6. Step 6: Final answer
    x = 8,762.68

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Find fourth proportional to 3,713.38, 5,115.39 and 3,180.52
Half scale
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Double scale
Find fourth proportional to 7,427.76, 10,232.15 and 6,362.03
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.