Home / 6,789.24-9,356.45-5,294.79

Finding the Fourth Proportional to 6,789.24, 9,356.45 and 5,294.79

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Solution

The fourth proportional to 6,789.24, 9,356.45 and 5,294.79 is: 7,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.24 : 9,356.45 = 5,294.79 : x
  2. Step 2: Convert to fraction form
    6,789.24/9,356.45 = 5,294.79/x
  3. Step 3: Cross multiply
    6,789.24x = 9,356.45 × 5,294.79
  4. Step 4: Simplify right side
    6,789.24x = 49,540,437.90
  5. Step 5: Solve for x
    x = 49,540,437.90/6,789.24
  6. Step 6: Final answer
    x = 7,296.90

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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.