Home / 9,939.65-13,716.49-5,402.22

Finding the Fourth Proportional to 9,939.65, 13,716.49 and 5,402.22

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Solution

The fourth proportional to 9,939.65, 13,716.49 and 5,402.22 is: 7,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.65 : 13,716.49 = 5,402.22 : x
  2. Step 2: Convert to fraction form
    9,939.65/13,716.49 = 5,402.22/x
  3. Step 3: Cross multiply
    9,939.65x = 13,716.49 × 5,402.22
  4. Step 4: Simplify right side
    9,939.65x = 74,099,524.41
  5. Step 5: Solve for x
    x = 74,099,524.41/9,939.65
  6. Step 6: Final answer
    x = 7,454.94

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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.