Home / 10,443.17-15,664.04-4,897.75

Finding the Fourth Proportional to 10,443.17, 15,664.04 and 4,897.75

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Solution

The fourth proportional to 10,443.17, 15,664.04 and 4,897.75 is: 7,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.17 : 15,664.04 = 4,897.75 : x
  2. Step 2: Convert to fraction form
    10,443.17/15,664.04 = 4,897.75/x
  3. Step 3: Cross multiply
    10,443.17x = 15,664.04 × 4,897.75
  4. Step 4: Simplify right side
    10,443.17x = 76,718,551.91
  5. Step 5: Solve for x
    x = 76,718,551.91/10,443.17
  6. Step 6: Final answer
    x = 7,346.29

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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.