Home / 10,641.29-15,965.01-4,400.14

Finding the Fourth Proportional to 10,641.29, 15,965.01 and 4,400.14

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Solution

The fourth proportional to 10,641.29, 15,965.01 and 4,400.14 is: 6,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.29 : 15,965.01 = 4,400.14 : x
  2. Step 2: Convert to fraction form
    10,641.29/15,965.01 = 4,400.14/x
  3. Step 3: Cross multiply
    10,641.29x = 15,965.01 × 4,400.14
  4. Step 4: Simplify right side
    10,641.29x = 70,248,279.10
  5. Step 5: Solve for x
    x = 70,248,279.10/10,641.29
  6. Step 6: Final answer
    x = 6,601.48

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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.