Home / 11,685.11-17,443.50-10,854.74

Finding the Fourth Proportional to 11,685.11, 17,443.50 and 10,854.74

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Solution

The fourth proportional to 11,685.11, 17,443.50 and 10,854.74 is: 16,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.11 : 17,443.50 = 10,854.74 : x
  2. Step 2: Convert to fraction form
    11,685.11/17,443.50 = 10,854.74/x
  3. Step 3: Cross multiply
    11,685.11x = 17,443.50 × 10,854.74
  4. Step 4: Simplify right side
    11,685.11x = 189,344,569.97
  5. Step 5: Solve for x
    x = 189,344,569.97/11,685.11
  6. Step 6: Final answer
    x = 16,203.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.