Home / 9,939.24-13,716.48-5,463.15

Finding the Fourth Proportional to 9,939.24, 13,716.48 and 5,463.15

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Solution

The fourth proportional to 9,939.24, 13,716.48 and 5,463.15 is: 7,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.24 : 13,716.48 = 5,463.15 : x
  2. Step 2: Convert to fraction form
    9,939.24/13,716.48 = 5,463.15/x
  3. Step 3: Cross multiply
    9,939.24x = 13,716.48 × 5,463.15
  4. Step 4: Simplify right side
    9,939.24x = 74,935,187.71
  5. Step 5: Solve for x
    x = 74,935,187.71/9,939.24
  6. Step 6: Final answer
    x = 7,539.33

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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.