Home / 10,118.46-15,177.72-5,530.62

Finding the Fourth Proportional to 10,118.46, 15,177.72 and 5,530.62

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Solution

The fourth proportional to 10,118.46, 15,177.72 and 5,530.62 is: 8,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.46 : 15,177.72 = 5,530.62 : x
  2. Step 2: Convert to fraction form
    10,118.46/15,177.72 = 5,530.62/x
  3. Step 3: Cross multiply
    10,118.46x = 15,177.72 × 5,530.62
  4. Step 4: Simplify right side
    10,118.46x = 83,942,201.79
  5. Step 5: Solve for x
    x = 83,942,201.79/10,118.46
  6. Step 6: Final answer
    x = 8,295.95

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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.