Home / 11,139.61-16,706.68-4,901.19

Finding the Fourth Proportional to 11,139.61, 16,706.68 and 4,901.19

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Solution

The fourth proportional to 11,139.61, 16,706.68 and 4,901.19 is: 7,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.61 : 16,706.68 = 4,901.19 : x
  2. Step 2: Convert to fraction form
    11,139.61/16,706.68 = 4,901.19/x
  3. Step 3: Cross multiply
    11,139.61x = 16,706.68 × 4,901.19
  4. Step 4: Simplify right side
    11,139.61x = 81,882,612.95
  5. Step 5: Solve for x
    x = 81,882,612.95/11,139.61
  6. Step 6: Final answer
    x = 7,350.58

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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.