Home / 11,432.92-15,772.80-7,452.64

Finding the Fourth Proportional to 11,432.92, 15,772.80 and 7,452.64

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Solution

The fourth proportional to 11,432.92, 15,772.80 and 7,452.64 is: 10,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.92 : 15,772.80 = 7,452.64 : x
  2. Step 2: Convert to fraction form
    11,432.92/15,772.80 = 7,452.64/x
  3. Step 3: Cross multiply
    11,432.92x = 15,772.80 × 7,452.64
  4. Step 4: Simplify right side
    11,432.92x = 117,549,000.19
  5. Step 5: Solve for x
    x = 117,549,000.19/11,432.92
  6. Step 6: Final answer
    x = 10,281.63

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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.