Home / 11,141.11-15,375.27-6,426.91

Finding the Fourth Proportional to 11,141.11, 15,375.27 and 6,426.91

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Solution

The fourth proportional to 11,141.11, 15,375.27 and 6,426.91 is: 8,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.11 : 15,375.27 = 6,426.91 : x
  2. Step 2: Convert to fraction form
    11,141.11/15,375.27 = 6,426.91/x
  3. Step 3: Cross multiply
    11,141.11x = 15,375.27 × 6,426.91
  4. Step 4: Simplify right side
    11,141.11x = 98,815,483.68
  5. Step 5: Solve for x
    x = 98,815,483.68/11,141.11
  6. Step 6: Final answer
    x = 8,869.45

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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.