Home / 8,468.12-11,685.42-4,690.93

Finding the Fourth Proportional to 8,468.12, 11,685.42 and 4,690.93

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Solution

The fourth proportional to 8,468.12, 11,685.42 and 4,690.93 is: 6,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.12 : 11,685.42 = 4,690.93 : x
  2. Step 2: Convert to fraction form
    8,468.12/11,685.42 = 4,690.93/x
  3. Step 3: Cross multiply
    8,468.12x = 11,685.42 × 4,690.93
  4. Step 4: Simplify right side
    8,468.12x = 54,815,487.24
  5. Step 5: Solve for x
    x = 54,815,487.24/8,468.12
  6. Step 6: Final answer
    x = 6,473.16

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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.