Home / 11,984.55-16,525.68-8,158.66

Finding the Fourth Proportional to 11,984.55, 16,525.68 and 8,158.66

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Solution

The fourth proportional to 11,984.55, 16,525.68 and 8,158.66 is: 11,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.55 : 16,525.68 = 8,158.66 : x
  2. Step 2: Convert to fraction form
    11,984.55/16,525.68 = 8,158.66/x
  3. Step 3: Cross multiply
    11,984.55x = 16,525.68 × 8,158.66
  4. Step 4: Simplify right side
    11,984.55x = 134,827,404.39
  5. Step 5: Solve for x
    x = 134,827,404.39/11,984.55
  6. Step 6: Final answer
    x = 11,250.10

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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.