Home / 8,724.24-13,084.20-3,176.55

Finding the Fourth Proportional to 8,724.24, 13,084.20 and 3,176.55

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Solution

The fourth proportional to 8,724.24, 13,084.20 and 3,176.55 is: 4,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.24 : 13,084.20 = 3,176.55 : x
  2. Step 2: Convert to fraction form
    8,724.24/13,084.20 = 3,176.55/x
  3. Step 3: Cross multiply
    8,724.24x = 13,084.20 × 3,176.55
  4. Step 4: Simplify right side
    8,724.24x = 41,562,615.51
  5. Step 5: Solve for x
    x = 41,562,615.51/8,724.24
  6. Step 6: Final answer
    x = 4,764.04

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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.