Home / 9,939.50-13,716.08-5,462.97

Finding the Fourth Proportional to 9,939.50, 13,716.08 and 5,462.97

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Solution

The fourth proportional to 9,939.50, 13,716.08 and 5,462.97 is: 7,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.50 : 13,716.08 = 5,462.97 : x
  2. Step 2: Convert to fraction form
    9,939.50/13,716.08 = 5,462.97/x
  3. Step 3: Cross multiply
    9,939.50x = 13,716.08 × 5,462.97
  4. Step 4: Simplify right side
    9,939.50x = 74,930,506.24
  5. Step 5: Solve for x
    x = 74,930,506.24/9,939.50
  6. Step 6: Final answer
    x = 7,538.66

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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.