Home / 10,901.92-15,044.70-6,651.22

Finding the Fourth Proportional to 10,901.92, 15,044.70 and 6,651.22

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Solution

The fourth proportional to 10,901.92, 15,044.70 and 6,651.22 is: 9,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.92 : 15,044.70 = 6,651.22 : x
  2. Step 2: Convert to fraction form
    10,901.92/15,044.70 = 6,651.22/x
  3. Step 3: Cross multiply
    10,901.92x = 15,044.70 × 6,651.22
  4. Step 4: Simplify right side
    10,901.92x = 100,065,609.53
  5. Step 5: Solve for x
    x = 100,065,609.53/10,901.92
  6. Step 6: Final answer
    x = 9,178.71

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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.