Home / 10,352.80-15,529.20-7,236.33

Finding the Fourth Proportional to 10,352.80, 15,529.20 and 7,236.33

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Solution

The fourth proportional to 10,352.80, 15,529.20 and 7,236.33 is: 10,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.80 : 15,529.20 = 7,236.33 : x
  2. Step 2: Convert to fraction form
    10,352.80/15,529.20 = 7,236.33/x
  3. Step 3: Cross multiply
    10,352.80x = 15,529.20 × 7,236.33
  4. Step 4: Simplify right side
    10,352.80x = 112,374,415.84
  5. Step 5: Solve for x
    x = 112,374,415.84/10,352.80
  6. Step 6: Final answer
    x = 10,854.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.