Home / 12,475.68-18,717.16-4,685.10

Finding the Fourth Proportional to 12,475.68, 18,717.16 and 4,685.10

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Solution

The fourth proportional to 12,475.68, 18,717.16 and 4,685.10 is: 7,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.68 : 18,717.16 = 4,685.10 : x
  2. Step 2: Convert to fraction form
    12,475.68/18,717.16 = 4,685.10/x
  3. Step 3: Cross multiply
    12,475.68x = 18,717.16 × 4,685.10
  4. Step 4: Simplify right side
    12,475.68x = 87,691,766.32
  5. Step 5: Solve for x
    x = 87,691,766.32/12,475.68
  6. Step 6: Final answer
    x = 7,029.02

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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.