Home / 7,046.20-10,569.84-2,115.48

Finding the Fourth Proportional to 7,046.20, 10,569.84 and 2,115.48

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Solution

The fourth proportional to 7,046.20, 10,569.84 and 2,115.48 is: 3,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.20 : 10,569.84 = 2,115.48 : x
  2. Step 2: Convert to fraction form
    7,046.20/10,569.84 = 2,115.48/x
  3. Step 3: Cross multiply
    7,046.20x = 10,569.84 × 2,115.48
  4. Step 4: Simplify right side
    7,046.20x = 22,360,285.12
  5. Step 5: Solve for x
    x = 22,360,285.12/7,046.20
  6. Step 6: Final answer
    x = 3,173.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.