Home / 11,720.52-16,134.66-9,062.91

Finding the Fourth Proportional to 11,720.52, 16,134.66 and 9,062.91

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Solution

The fourth proportional to 11,720.52, 16,134.66 and 9,062.91 is: 12,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.52 : 16,134.66 = 9,062.91 : x
  2. Step 2: Convert to fraction form
    11,720.52/16,134.66 = 9,062.91/x
  3. Step 3: Cross multiply
    11,720.52x = 16,134.66 × 9,062.91
  4. Step 4: Simplify right side
    11,720.52x = 146,226,971.46
  5. Step 5: Solve for x
    x = 146,226,971.46/11,720.52
  6. Step 6: Final answer
    x = 12,476.15

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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.