Home / 10,301.32-15,443.34-4,143.88

Finding the Fourth Proportional to 10,301.32, 15,443.34 and 4,143.88

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Solution

The fourth proportional to 10,301.32, 15,443.34 and 4,143.88 is: 6,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.32 : 15,443.34 = 4,143.88 : x
  2. Step 2: Convert to fraction form
    10,301.32/15,443.34 = 4,143.88/x
  3. Step 3: Cross multiply
    10,301.32x = 15,443.34 × 4,143.88
  4. Step 4: Simplify right side
    10,301.32x = 63,995,347.76
  5. Step 5: Solve for x
    x = 63,995,347.76/10,301.32
  6. Step 6: Final answer
    x = 6,212.34

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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.