Home / 8,157.13-12,237.52-2,610.81

Finding the Fourth Proportional to 8,157.13, 12,237.52 and 2,610.81

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Solution

The fourth proportional to 8,157.13, 12,237.52 and 2,610.81 is: 3,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.13 : 12,237.52 = 2,610.81 : x
  2. Step 2: Convert to fraction form
    8,157.13/12,237.52 = 2,610.81/x
  3. Step 3: Cross multiply
    8,157.13x = 12,237.52 × 2,610.81
  4. Step 4: Simplify right side
    8,157.13x = 31,949,839.59
  5. Step 5: Solve for x
    x = 31,949,839.59/8,157.13
  6. Step 6: Final answer
    x = 3,916.80

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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.