Home / 9,711.56-13,400.92-5,935.65

Finding the Fourth Proportional to 9,711.56, 13,400.92 and 5,935.65

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Solution

The fourth proportional to 9,711.56, 13,400.92 and 5,935.65 is: 8,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.56 : 13,400.92 = 5,935.65 : x
  2. Step 2: Convert to fraction form
    9,711.56/13,400.92 = 5,935.65/x
  3. Step 3: Cross multiply
    9,711.56x = 13,400.92 × 5,935.65
  4. Step 4: Simplify right side
    9,711.56x = 79,543,127.96
  5. Step 5: Solve for x
    x = 79,543,127.96/9,711.56
  6. Step 6: Final answer
    x = 8,190.56

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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.