Home / 10,011.88-15,015.48-3,772.52

Finding the Fourth Proportional to 10,011.88, 15,015.48 and 3,772.52

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Solution

The fourth proportional to 10,011.88, 15,015.48 and 3,772.52 is: 5,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.88 : 15,015.48 = 3,772.52 : x
  2. Step 2: Convert to fraction form
    10,011.88/15,015.48 = 3,772.52/x
  3. Step 3: Cross multiply
    10,011.88x = 15,015.48 × 3,772.52
  4. Step 4: Simplify right side
    10,011.88x = 56,646,198.61
  5. Step 5: Solve for x
    x = 56,646,198.61/10,011.88
  6. Step 6: Final answer
    x = 5,657.90

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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.