Home / 10,122.52-15,184.20-4,927.18

Finding the Fourth Proportional to 10,122.52, 15,184.20 and 4,927.18

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Solution

The fourth proportional to 10,122.52, 15,184.20 and 4,927.18 is: 7,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.52 : 15,184.20 = 4,927.18 : x
  2. Step 2: Convert to fraction form
    10,122.52/15,184.20 = 4,927.18/x
  3. Step 3: Cross multiply
    10,122.52x = 15,184.20 × 4,927.18
  4. Step 4: Simplify right side
    10,122.52x = 74,815,286.56
  5. Step 5: Solve for x
    x = 74,815,286.56/10,122.52
  6. Step 6: Final answer
    x = 7,390.97

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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.