Home / 12,517.96-17,275.28-6,930.04

Finding the Fourth Proportional to 12,517.96, 17,275.28 and 6,930.04

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Solution

The fourth proportional to 12,517.96, 17,275.28 and 6,930.04 is: 9,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.96 : 17,275.28 = 6,930.04 : x
  2. Step 2: Convert to fraction form
    12,517.96/17,275.28 = 6,930.04/x
  3. Step 3: Cross multiply
    12,517.96x = 17,275.28 × 6,930.04
  4. Step 4: Simplify right side
    12,517.96x = 119,718,381.41
  5. Step 5: Solve for x
    x = 119,718,381.41/12,517.96
  6. Step 6: Final answer
    x = 9,563.73

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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.