Home / 10,156.32-15,237.36-3,231.36

Finding the Fourth Proportional to 10,156.32, 15,237.36 and 3,231.36

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Solution

The fourth proportional to 10,156.32, 15,237.36 and 3,231.36 is: 4,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.32 : 15,237.36 = 3,231.36 : x
  2. Step 2: Convert to fraction form
    10,156.32/15,237.36 = 3,231.36/x
  3. Step 3: Cross multiply
    10,156.32x = 15,237.36 × 3,231.36
  4. Step 4: Simplify right side
    10,156.32x = 49,237,395.61
  5. Step 5: Solve for x
    x = 49,237,395.61/10,156.32
  6. Step 6: Final answer
    x = 4,847.96

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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.