Home / 10,414.20-15,621.02-4,864.48

Finding the Fourth Proportional to 10,414.20, 15,621.02 and 4,864.48

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Solution

The fourth proportional to 10,414.20, 15,621.02 and 4,864.48 is: 7,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.20 : 15,621.02 = 4,864.48 : x
  2. Step 2: Convert to fraction form
    10,414.20/15,621.02 = 4,864.48/x
  3. Step 3: Cross multiply
    10,414.20x = 15,621.02 × 4,864.48
  4. Step 4: Simplify right side
    10,414.20x = 75,988,139.37
  5. Step 5: Solve for x
    x = 75,988,139.37/10,414.20
  6. Step 6: Final answer
    x = 7,296.59

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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.