Home / 10,766.09-16,132.10-8,306.93

Finding the Fourth Proportional to 10,766.09, 16,132.10 and 8,306.93

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Solution

The fourth proportional to 10,766.09, 16,132.10 and 8,306.93 is: 12,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.09 : 16,132.10 = 8,306.93 : x
  2. Step 2: Convert to fraction form
    10,766.09/16,132.10 = 8,306.93/x
  3. Step 3: Cross multiply
    10,766.09x = 16,132.10 × 8,306.93
  4. Step 4: Simplify right side
    10,766.09x = 134,008,103.26
  5. Step 5: Solve for x
    x = 134,008,103.26/10,766.09
  6. Step 6: Final answer
    x = 12,447.25

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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.