Home / 8,157.52-11,257.53-4,621.48

Finding the Fourth Proportional to 8,157.52, 11,257.53 and 4,621.48

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Solution

The fourth proportional to 8,157.52, 11,257.53 and 4,621.48 is: 6,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.52 : 11,257.53 = 4,621.48 : x
  2. Step 2: Convert to fraction form
    8,157.52/11,257.53 = 4,621.48/x
  3. Step 3: Cross multiply
    8,157.52x = 11,257.53 × 4,621.48
  4. Step 4: Simplify right side
    8,157.52x = 52,026,449.74
  5. Step 5: Solve for x
    x = 52,026,449.74/8,157.52
  6. Step 6: Final answer
    x = 6,377.73

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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.