Home / 8,587.25-12,876.14-2,662.50

Finding the Fourth Proportional to 8,587.25, 12,876.14 and 2,662.50

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Solution

The fourth proportional to 8,587.25, 12,876.14 and 2,662.50 is: 3,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.25 : 12,876.14 = 2,662.50 : x
  2. Step 2: Convert to fraction form
    8,587.25/12,876.14 = 2,662.50/x
  3. Step 3: Cross multiply
    8,587.25x = 12,876.14 × 2,662.50
  4. Step 4: Simplify right side
    8,587.25x = 34,282,722.75
  5. Step 5: Solve for x
    x = 34,282,722.75/8,587.25
  6. Step 6: Final answer
    x = 3,992.28

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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.