Home / 7,839.24-10,815.96-5,046.36

Finding the Fourth Proportional to 7,839.24, 10,815.96 and 5,046.36

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Solution

The fourth proportional to 7,839.24, 10,815.96 and 5,046.36 is: 6,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.24 : 10,815.96 = 5,046.36 : x
  2. Step 2: Convert to fraction form
    7,839.24/10,815.96 = 5,046.36/x
  3. Step 3: Cross multiply
    7,839.24x = 10,815.96 × 5,046.36
  4. Step 4: Simplify right side
    7,839.24x = 54,581,227.91
  5. Step 5: Solve for x
    x = 54,581,227.91/7,839.24
  6. Step 6: Final answer
    x = 6,962.57

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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.