Home / 12,136.50-16,755.66-7,952.04

Finding the Fourth Proportional to 12,136.50, 16,755.66 and 7,952.04

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Solution

The fourth proportional to 12,136.50, 16,755.66 and 7,952.04 is: 10,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.50 : 16,755.66 = 7,952.04 : x
  2. Step 2: Convert to fraction form
    12,136.50/16,755.66 = 7,952.04/x
  3. Step 3: Cross multiply
    12,136.50x = 16,755.66 × 7,952.04
  4. Step 4: Simplify right side
    12,136.50x = 133,241,678.55
  5. Step 5: Solve for x
    x = 133,241,678.55/12,136.50
  6. Step 6: Final answer
    x = 10,978.59

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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.