Home / 12,002.55-16,559.15-6,966.38

Finding the Fourth Proportional to 12,002.55, 16,559.15 and 6,966.38

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Solution

The fourth proportional to 12,002.55, 16,559.15 and 6,966.38 is: 9,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.55 : 16,559.15 = 6,966.38 : x
  2. Step 2: Convert to fraction form
    12,002.55/16,559.15 = 6,966.38/x
  3. Step 3: Cross multiply
    12,002.55x = 16,559.15 × 6,966.38
  4. Step 4: Simplify right side
    12,002.55x = 115,357,213.75
  5. Step 5: Solve for x
    x = 115,357,213.75/12,002.55
  6. Step 6: Final answer
    x = 9,611.06

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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.