Home / 12,713.19-19,073.51-5,691.64

Finding the Fourth Proportional to 12,713.19, 19,073.51 and 5,691.64

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Solution

The fourth proportional to 12,713.19, 19,073.51 and 5,691.64 is: 8,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.19 : 19,073.51 = 5,691.64 : x
  2. Step 2: Convert to fraction form
    12,713.19/19,073.51 = 5,691.64/x
  3. Step 3: Cross multiply
    12,713.19x = 19,073.51 × 5,691.64
  4. Step 4: Simplify right side
    12,713.19x = 108,559,552.46
  5. Step 5: Solve for x
    x = 108,559,552.46/12,713.19
  6. Step 6: Final answer
    x = 8,539.13

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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.