Home / 11,061.68-15,284.57-8,841.87

Finding the Fourth Proportional to 11,061.68, 15,284.57 and 8,841.87

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Solution

The fourth proportional to 11,061.68, 15,284.57 and 8,841.87 is: 12,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.68 : 15,284.57 = 8,841.87 : x
  2. Step 2: Convert to fraction form
    11,061.68/15,284.57 = 8,841.87/x
  3. Step 3: Cross multiply
    11,061.68x = 15,284.57 × 8,841.87
  4. Step 4: Simplify right side
    11,061.68x = 135,144,136.74
  5. Step 5: Solve for x
    x = 135,144,136.74/11,061.68
  6. Step 6: Final answer
    x = 12,217.33

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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.