Home / 10,029.76-15,044.52-4,105.40

Finding the Fourth Proportional to 10,029.76, 15,044.52 and 4,105.40

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Solution

The fourth proportional to 10,029.76, 15,044.52 and 4,105.40 is: 6,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.76 : 15,044.52 = 4,105.40 : x
  2. Step 2: Convert to fraction form
    10,029.76/15,044.52 = 4,105.40/x
  3. Step 3: Cross multiply
    10,029.76x = 15,044.52 × 4,105.40
  4. Step 4: Simplify right side
    10,029.76x = 61,763,772.41
  5. Step 5: Solve for x
    x = 61,763,772.41/10,029.76
  6. Step 6: Final answer
    x = 6,158.05

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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.