Home / 10,926.96-15,079.80-8,269.68

Finding the Fourth Proportional to 10,926.96, 15,079.80 and 8,269.68

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Solution

The fourth proportional to 10,926.96, 15,079.80 and 8,269.68 is: 11,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.96 : 15,079.80 = 8,269.68 : x
  2. Step 2: Convert to fraction form
    10,926.96/15,079.80 = 8,269.68/x
  3. Step 3: Cross multiply
    10,926.96x = 15,079.80 × 8,269.68
  4. Step 4: Simplify right side
    10,926.96x = 124,705,120.46
  5. Step 5: Solve for x
    x = 124,705,120.46/10,926.96
  6. Step 6: Final answer
    x = 11,412.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.