Home / 11,331.50-16,943.16-10,338.94

Finding the Fourth Proportional to 11,331.50, 16,943.16 and 10,338.94

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Solution

The fourth proportional to 11,331.50, 16,943.16 and 10,338.94 is: 15,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.50 : 16,943.16 = 10,338.94 : x
  2. Step 2: Convert to fraction form
    11,331.50/16,943.16 = 10,338.94/x
  3. Step 3: Cross multiply
    11,331.50x = 16,943.16 × 10,338.94
  4. Step 4: Simplify right side
    11,331.50x = 175,174,229.93
  5. Step 5: Solve for x
    x = 175,174,229.93/11,331.50
  6. Step 6: Final answer
    x = 15,459.05

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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.