Home / 11,521.97-15,895.46-7,044.29

Finding the Fourth Proportional to 11,521.97, 15,895.46 and 7,044.29

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Solution

The fourth proportional to 11,521.97, 15,895.46 and 7,044.29 is: 9,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.97 : 15,895.46 = 7,044.29 : x
  2. Step 2: Convert to fraction form
    11,521.97/15,895.46 = 7,044.29/x
  3. Step 3: Cross multiply
    11,521.97x = 15,895.46 × 7,044.29
  4. Step 4: Simplify right side
    11,521.97x = 111,972,115.22
  5. Step 5: Solve for x
    x = 111,972,115.22/11,521.97
  6. Step 6: Final answer
    x = 9,718.14

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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.