Home / 11,127.50-16,678.28-6,194.78

Finding the Fourth Proportional to 11,127.50, 16,678.28 and 6,194.78

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Solution

The fourth proportional to 11,127.50, 16,678.28 and 6,194.78 is: 9,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.50 : 16,678.28 = 6,194.78 : x
  2. Step 2: Convert to fraction form
    11,127.50/16,678.28 = 6,194.78/x
  3. Step 3: Cross multiply
    11,127.50x = 16,678.28 × 6,194.78
  4. Step 4: Simplify right side
    11,127.50x = 103,318,275.38
  5. Step 5: Solve for x
    x = 103,318,275.38/11,127.50
  6. Step 6: Final answer
    x = 9,284.95

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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.