Home / 8,252.75-12,373.66-2,987.08

Finding the Fourth Proportional to 8,252.75, 12,373.66 and 2,987.08

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Solution

The fourth proportional to 8,252.75, 12,373.66 and 2,987.08 is: 4,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.75 : 12,373.66 = 2,987.08 : x
  2. Step 2: Convert to fraction form
    8,252.75/12,373.66 = 2,987.08/x
  3. Step 3: Cross multiply
    8,252.75x = 12,373.66 × 2,987.08
  4. Step 4: Simplify right side
    8,252.75x = 36,961,112.31
  5. Step 5: Solve for x
    x = 36,961,112.31/8,252.75
  6. Step 6: Final answer
    x = 4,478.64

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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.