Home / 7,245.22-9,998.45-4,261.18

Finding the Fourth Proportional to 7,245.22, 9,998.45 and 4,261.18

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Solution

The fourth proportional to 7,245.22, 9,998.45 and 4,261.18 is: 5,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.22 : 9,998.45 = 4,261.18 : x
  2. Step 2: Convert to fraction form
    7,245.22/9,998.45 = 4,261.18/x
  3. Step 3: Cross multiply
    7,245.22x = 9,998.45 × 4,261.18
  4. Step 4: Simplify right side
    7,245.22x = 42,605,173.87
  5. Step 5: Solve for x
    x = 42,605,173.87/7,245.22
  6. Step 6: Final answer
    x = 5,880.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.