Home / 11,585.97-15,991.20-6,553.08

Finding the Fourth Proportional to 11,585.97, 15,991.20 and 6,553.08

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Solution

The fourth proportional to 11,585.97, 15,991.20 and 6,553.08 is: 9,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.97 : 15,991.20 = 6,553.08 : x
  2. Step 2: Convert to fraction form
    11,585.97/15,991.20 = 6,553.08/x
  3. Step 3: Cross multiply
    11,585.97x = 15,991.20 × 6,553.08
  4. Step 4: Simplify right side
    11,585.97x = 104,791,612.90
  5. Step 5: Solve for x
    x = 104,791,612.90/11,585.97
  6. Step 6: Final answer
    x = 9,044.70

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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.