Home / 7,338.20-10,135.07-4,976.24

Finding the Fourth Proportional to 7,338.20, 10,135.07 and 4,976.24

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Solution

The fourth proportional to 7,338.20, 10,135.07 and 4,976.24 is: 6,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.20 : 10,135.07 = 4,976.24 : x
  2. Step 2: Convert to fraction form
    7,338.20/10,135.07 = 4,976.24/x
  3. Step 3: Cross multiply
    7,338.20x = 10,135.07 × 4,976.24
  4. Step 4: Simplify right side
    7,338.20x = 50,434,465.18
  5. Step 5: Solve for x
    x = 50,434,465.18/7,338.20
  6. Step 6: Final answer
    x = 6,872.87

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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.