Home / 11,331.53-16,979.98-4,754.13

Finding the Fourth Proportional to 11,331.53, 16,979.98 and 4,754.13

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Solution

The fourth proportional to 11,331.53, 16,979.98 and 4,754.13 is: 7,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.53 : 16,979.98 = 4,754.13 : x
  2. Step 2: Convert to fraction form
    11,331.53/16,979.98 = 4,754.13/x
  3. Step 3: Cross multiply
    11,331.53x = 16,979.98 × 4,754.13
  4. Step 4: Simplify right side
    11,331.53x = 80,724,965.67
  5. Step 5: Solve for x
    x = 80,724,965.67/11,331.53
  6. Step 6: Final answer
    x = 7,123.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.