Home / 7,791.36-10,753.48-4,647.76

Finding the Fourth Proportional to 7,791.36, 10,753.48 and 4,647.76

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Solution

The fourth proportional to 7,791.36, 10,753.48 and 4,647.76 is: 6,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.36 : 10,753.48 = 4,647.76 : x
  2. Step 2: Convert to fraction form
    7,791.36/10,753.48 = 4,647.76/x
  3. Step 3: Cross multiply
    7,791.36x = 10,753.48 × 4,647.76
  4. Step 4: Simplify right side
    7,791.36x = 49,979,594.20
  5. Step 5: Solve for x
    x = 49,979,594.20/7,791.36
  6. Step 6: Final answer
    x = 6,414.75

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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.