Home / 28,452.52-42,680.67-8,731.18

Finding the Fourth Proportional to 28,452.52, 42,680.67 and 8,731.18

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Solution

The fourth proportional to 28,452.52, 42,680.67 and 8,731.18 is: 13,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.52 : 42,680.67 = 8,731.18 : x
  2. Step 2: Convert to fraction form
    28,452.52/42,680.67 = 8,731.18/x
  3. Step 3: Cross multiply
    28,452.52x = 42,680.67 × 8,731.18
  4. Step 4: Simplify right side
    28,452.52x = 372,652,612.29
  5. Step 5: Solve for x
    x = 372,652,612.29/28,452.52
  6. Step 6: Final answer
    x = 13,097.35

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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.