Home / 7,769.12-10,718.51-4,976.24

Finding the Fourth Proportional to 7,769.12, 10,718.51 and 4,976.24

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Solution

The fourth proportional to 7,769.12, 10,718.51 and 4,976.24 is: 6,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.12 : 10,718.51 = 4,976.24 : x
  2. Step 2: Convert to fraction form
    7,769.12/10,718.51 = 4,976.24/x
  3. Step 3: Cross multiply
    7,769.12x = 10,718.51 × 4,976.24
  4. Step 4: Simplify right side
    7,769.12x = 53,337,799.73
  5. Step 5: Solve for x
    x = 53,337,799.73/7,769.12
  6. Step 6: Final answer
    x = 6,865.36

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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.