Home / 8,600.72-11,870.01-5,625.18

Finding the Fourth Proportional to 8,600.72, 11,870.01 and 5,625.18

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Solution

The fourth proportional to 8,600.72, 11,870.01 and 5,625.18 is: 7,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.72 : 11,870.01 = 5,625.18 : x
  2. Step 2: Convert to fraction form
    8,600.72/11,870.01 = 5,625.18/x
  3. Step 3: Cross multiply
    8,600.72x = 11,870.01 × 5,625.18
  4. Step 4: Simplify right side
    8,600.72x = 66,770,942.85
  5. Step 5: Solve for x
    x = 66,770,942.85/8,600.72
  6. Step 6: Final answer
    x = 7,763.42

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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.