Home / 8,938.59-13,407.30-3,672.23

Finding the Fourth Proportional to 8,938.59, 13,407.30 and 3,672.23

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Solution

The fourth proportional to 8,938.59, 13,407.30 and 3,672.23 is: 5,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.59 : 13,407.30 = 3,672.23 : x
  2. Step 2: Convert to fraction form
    8,938.59/13,407.30 = 3,672.23/x
  3. Step 3: Cross multiply
    8,938.59x = 13,407.30 × 3,672.23
  4. Step 4: Simplify right side
    8,938.59x = 49,234,672.52
  5. Step 5: Solve for x
    x = 49,234,672.52/8,938.59
  6. Step 6: Final answer
    x = 5,508.10

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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.