Home / 11,585.84-15,990.17-7,337.30

Finding the Fourth Proportional to 11,585.84, 15,990.17 and 7,337.30

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Solution

The fourth proportional to 11,585.84, 15,990.17 and 7,337.30 is: 10,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.84 : 15,990.17 = 7,337.30 : x
  2. Step 2: Convert to fraction form
    11,585.84/15,990.17 = 7,337.30/x
  3. Step 3: Cross multiply
    11,585.84x = 15,990.17 × 7,337.30
  4. Step 4: Simplify right side
    11,585.84x = 117,324,557.70
  5. Step 5: Solve for x
    x = 117,324,557.70/11,585.84
  6. Step 6: Final answer
    x = 10,126.55

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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.