Home / 12,717.13-17,549.33-7,051.90

Finding the Fourth Proportional to 12,717.13, 17,549.33 and 7,051.90

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Solution

The fourth proportional to 12,717.13, 17,549.33 and 7,051.90 is: 9,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.13 : 17,549.33 = 7,051.90 : x
  2. Step 2: Convert to fraction form
    12,717.13/17,549.33 = 7,051.90/x
  3. Step 3: Cross multiply
    12,717.13x = 17,549.33 × 7,051.90
  4. Step 4: Simplify right side
    12,717.13x = 123,756,084.97
  5. Step 5: Solve for x
    x = 123,756,084.97/12,717.13
  6. Step 6: Final answer
    x = 9,731.45

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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.