Home / 8,468.48-11,685.96-4,691.58

Finding the Fourth Proportional to 8,468.48, 11,685.96 and 4,691.58

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Solution

The fourth proportional to 8,468.48, 11,685.96 and 4,691.58 is: 6,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.48 : 11,685.96 = 4,691.58 : x
  2. Step 2: Convert to fraction form
    8,468.48/11,685.96 = 4,691.58/x
  3. Step 3: Cross multiply
    8,468.48x = 11,685.96 × 4,691.58
  4. Step 4: Simplify right side
    8,468.48x = 54,825,616.22
  5. Step 5: Solve for x
    x = 54,825,616.22/8,468.48
  6. Step 6: Final answer
    x = 6,474.08

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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.