Home / 10,935.80-15,091.40-5,967.80

Finding the Fourth Proportional to 10,935.80, 15,091.40 and 5,967.80

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Solution

The fourth proportional to 10,935.80, 15,091.40 and 5,967.80 is: 8,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.80 : 15,091.40 = 5,967.80 : x
  2. Step 2: Convert to fraction form
    10,935.80/15,091.40 = 5,967.80/x
  3. Step 3: Cross multiply
    10,935.80x = 15,091.40 × 5,967.80
  4. Step 4: Simplify right side
    10,935.80x = 90,062,456.92
  5. Step 5: Solve for x
    x = 90,062,456.92/10,935.80
  6. Step 6: Final answer
    x = 8,235.56

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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.