Home / 10,092.35-15,133.02-4,247.78

Finding the Fourth Proportional to 10,092.35, 15,133.02 and 4,247.78

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Solution

The fourth proportional to 10,092.35, 15,133.02 and 4,247.78 is: 6,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.35 : 15,133.02 = 4,247.78 : x
  2. Step 2: Convert to fraction form
    10,092.35/15,133.02 = 4,247.78/x
  3. Step 3: Cross multiply
    10,092.35x = 15,133.02 × 4,247.78
  4. Step 4: Simplify right side
    10,092.35x = 64,281,739.70
  5. Step 5: Solve for x
    x = 64,281,739.70/10,092.35
  6. Step 6: Final answer
    x = 6,369.35

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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.