Home / 10,889.29-15,026.92-6,174.01

Finding the Fourth Proportional to 10,889.29, 15,026.92 and 6,174.01

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Solution

The fourth proportional to 10,889.29, 15,026.92 and 6,174.01 is: 8,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.29 : 15,026.92 = 6,174.01 : x
  2. Step 2: Convert to fraction form
    10,889.29/15,026.92 = 6,174.01/x
  3. Step 3: Cross multiply
    10,889.29x = 15,026.92 × 6,174.01
  4. Step 4: Simplify right side
    10,889.29x = 92,776,354.35
  5. Step 5: Solve for x
    x = 92,776,354.35/10,889.29
  6. Step 6: Final answer
    x = 8,519.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.