Home / 9,932.45-13,703.38-5,681.96

Finding the Fourth Proportional to 9,932.45, 13,703.38 and 5,681.96

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Solution

The fourth proportional to 9,932.45, 13,703.38 and 5,681.96 is: 7,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.45 : 13,703.38 = 5,681.96 : x
  2. Step 2: Convert to fraction form
    9,932.45/13,703.38 = 5,681.96/x
  3. Step 3: Cross multiply
    9,932.45x = 13,703.38 × 5,681.96
  4. Step 4: Simplify right side
    9,932.45x = 77,862,057.02
  5. Step 5: Solve for x
    x = 77,862,057.02/9,932.45
  6. Step 6: Final answer
    x = 7,839.16

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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.