Home / 8,605.08-11,873.20-5,625.28

Finding the Fourth Proportional to 8,605.08, 11,873.20 and 5,625.28

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Solution

The fourth proportional to 8,605.08, 11,873.20 and 5,625.28 is: 7,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.08 : 11,873.20 = 5,625.28 : x
  2. Step 2: Convert to fraction form
    8,605.08/11,873.20 = 5,625.28/x
  3. Step 3: Cross multiply
    8,605.08x = 11,873.20 × 5,625.28
  4. Step 4: Simplify right side
    8,605.08x = 66,790,074.50
  5. Step 5: Solve for x
    x = 66,790,074.50/8,605.08
  6. Step 6: Final answer
    x = 7,761.70

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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.