Home / 10,026.28-15,040.50-4,179.64

Finding the Fourth Proportional to 10,026.28, 15,040.50 and 4,179.64

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Solution

The fourth proportional to 10,026.28, 15,040.50 and 4,179.64 is: 6,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.28 : 15,040.50 = 4,179.64 : x
  2. Step 2: Convert to fraction form
    10,026.28/15,040.50 = 4,179.64/x
  3. Step 3: Cross multiply
    10,026.28x = 15,040.50 × 4,179.64
  4. Step 4: Simplify right side
    10,026.28x = 62,863,875.42
  5. Step 5: Solve for x
    x = 62,863,875.42/10,026.28
  6. Step 6: Final answer
    x = 6,269.91

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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.