Home / 8,084.16-11,136.96-6,658.56

Finding the Fourth Proportional to 8,084.16, 11,136.96 and 6,658.56

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Solution

The fourth proportional to 8,084.16, 11,136.96 and 6,658.56 is: 9,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.16 : 11,136.96 = 6,658.56 : x
  2. Step 2: Convert to fraction form
    8,084.16/11,136.96 = 6,658.56/x
  3. Step 3: Cross multiply
    8,084.16x = 11,136.96 × 6,658.56
  4. Step 4: Simplify right side
    8,084.16x = 74,156,116.38
  5. Step 5: Solve for x
    x = 74,156,116.38/8,084.16
  6. Step 6: Final answer
    x = 9,173.01

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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.