Home / 7,418.43-10,248.56-4,872.23

Finding the Fourth Proportional to 7,418.43, 10,248.56 and 4,872.23

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Solution

The fourth proportional to 7,418.43, 10,248.56 and 4,872.23 is: 6,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.43 : 10,248.56 = 4,872.23 : x
  2. Step 2: Convert to fraction form
    7,418.43/10,248.56 = 4,872.23/x
  3. Step 3: Cross multiply
    7,418.43x = 10,248.56 × 4,872.23
  4. Step 4: Simplify right side
    7,418.43x = 49,933,341.49
  5. Step 5: Solve for x
    x = 49,933,341.49/7,418.43
  6. Step 6: Final answer
    x = 6,730.99

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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.