Home / 11,116.56-16,681.40-4,101.52

Finding the Fourth Proportional to 11,116.56, 16,681.40 and 4,101.52

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Solution

The fourth proportional to 11,116.56, 16,681.40 and 4,101.52 is: 6,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.56 : 16,681.40 = 4,101.52 : x
  2. Step 2: Convert to fraction form
    11,116.56/16,681.40 = 4,101.52/x
  3. Step 3: Cross multiply
    11,116.56x = 16,681.40 × 4,101.52
  4. Step 4: Simplify right side
    11,116.56x = 68,419,095.73
  5. Step 5: Solve for x
    x = 68,419,095.73/11,116.56
  6. Step 6: Final answer
    x = 6,154.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.