Home / 10,621.44-15,929.28-4,464

Finding the Fourth Proportional to 10,621.44, 15,929.28 and 4,464

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Solution

The fourth proportional to 10,621.44, 15,929.28 and 4,464 is: 6,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.44 : 15,929.28 = 4,464 : x
  2. Step 2: Convert to fraction form
    10,621.44/15,929.28 = 4,464/x
  3. Step 3: Cross multiply
    10,621.44x = 15,929.28 × 4,464
  4. Step 4: Simplify right side
    10,621.44x = 71,108,305.92
  5. Step 5: Solve for x
    x = 71,108,305.92/10,621.44
  6. Step 6: Final answer
    x = 6,694.79

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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.