Home / 9,624.38-13,281.64-5,432.90

Finding the Fourth Proportional to 9,624.38, 13,281.64 and 5,432.90

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Solution

The fourth proportional to 9,624.38, 13,281.64 and 5,432.90 is: 7,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.38 : 13,281.64 = 5,432.90 : x
  2. Step 2: Convert to fraction form
    9,624.38/13,281.64 = 5,432.90/x
  3. Step 3: Cross multiply
    9,624.38x = 13,281.64 × 5,432.90
  4. Step 4: Simplify right side
    9,624.38x = 72,157,741.97
  5. Step 5: Solve for x
    x = 72,157,741.97/9,624.38
  6. Step 6: Final answer
    x = 7,497.40

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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.