Home / 12,382.92-18,565.74-4,589.64

Finding the Fourth Proportional to 12,382.92, 18,565.74 and 4,589.64

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Solution

The fourth proportional to 12,382.92, 18,565.74 and 4,589.64 is: 6,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.92 : 18,565.74 = 4,589.64 : x
  2. Step 2: Convert to fraction form
    12,382.92/18,565.74 = 4,589.64/x
  3. Step 3: Cross multiply
    12,382.92x = 18,565.74 × 4,589.64
  4. Step 4: Simplify right side
    12,382.92x = 85,210,062.93
  5. Step 5: Solve for x
    x = 85,210,062.93/12,382.92
  6. Step 6: Final answer
    x = 6,881.26

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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.