Home / 10,418.88-15,607.38-4,864.56

Finding the Fourth Proportional to 10,418.88, 15,607.38 and 4,864.56

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Solution

The fourth proportional to 10,418.88, 15,607.38 and 4,864.56 is: 7,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.88 : 15,607.38 = 4,864.56 : x
  2. Step 2: Convert to fraction form
    10,418.88/15,607.38 = 4,864.56/x
  3. Step 3: Cross multiply
    10,418.88x = 15,607.38 × 4,864.56
  4. Step 4: Simplify right side
    10,418.88x = 75,923,036.45
  5. Step 5: Solve for x
    x = 75,923,036.45/10,418.88
  6. Step 6: Final answer
    x = 7,287.06

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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.