Home / 10,660.91-14,712.12-5,881.02

Finding the Fourth Proportional to 10,660.91, 14,712.12 and 5,881.02

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Solution

The fourth proportional to 10,660.91, 14,712.12 and 5,881.02 is: 8,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.91 : 14,712.12 = 5,881.02 : x
  2. Step 2: Convert to fraction form
    10,660.91/14,712.12 = 5,881.02/x
  3. Step 3: Cross multiply
    10,660.91x = 14,712.12 × 5,881.02
  4. Step 4: Simplify right side
    10,660.91x = 86,522,305.08
  5. Step 5: Solve for x
    x = 86,522,305.08/10,660.91
  6. Step 6: Final answer
    x = 8,115.84

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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.