Home / 8,158.86-12,239.17-2,610.23

Finding the Fourth Proportional to 8,158.86, 12,239.17 and 2,610.23

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Solution

The fourth proportional to 8,158.86, 12,239.17 and 2,610.23 is: 3,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.86 : 12,239.17 = 2,610.23 : x
  2. Step 2: Convert to fraction form
    8,158.86/12,239.17 = 2,610.23/x
  3. Step 3: Cross multiply
    8,158.86x = 12,239.17 × 2,610.23
  4. Step 4: Simplify right side
    8,158.86x = 31,946,980.99
  5. Step 5: Solve for x
    x = 31,946,980.99/8,158.86
  6. Step 6: Final answer
    x = 3,915.62

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1.5x scale

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.