Home / 8,158.49-12,238.63-2,610.53

Finding the Fourth Proportional to 8,158.49, 12,238.63 and 2,610.53

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Solution

The fourth proportional to 8,158.49, 12,238.63 and 2,610.53 is: 3,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.49 : 12,238.63 = 2,610.53 : x
  2. Step 2: Convert to fraction form
    8,158.49/12,238.63 = 2,610.53/x
  3. Step 3: Cross multiply
    8,158.49x = 12,238.63 × 2,610.53
  4. Step 4: Simplify right side
    8,158.49x = 31,949,288.95
  5. Step 5: Solve for x
    x = 31,949,288.95/8,158.49
  6. Step 6: Final answer
    x = 3,916.08

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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.