Home / 7,432.52-11,129.34-5,229.32

Finding the Fourth Proportional to 7,432.52, 11,129.34 and 5,229.32

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Solution

The fourth proportional to 7,432.52, 11,129.34 and 5,229.32 is: 7,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.52 : 11,129.34 = 5,229.32 : x
  2. Step 2: Convert to fraction form
    7,432.52/11,129.34 = 5,229.32/x
  3. Step 3: Cross multiply
    7,432.52x = 11,129.34 × 5,229.32
  4. Step 4: Simplify right side
    7,432.52x = 58,198,880.25
  5. Step 5: Solve for x
    x = 58,198,880.25/7,432.52
  6. Step 6: Final answer
    x = 7,830.30

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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.