Home / 8,825.40-12,179.26-4,792.40

Finding the Fourth Proportional to 8,825.40, 12,179.26 and 4,792.40

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Solution

The fourth proportional to 8,825.40, 12,179.26 and 4,792.40 is: 6,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.40 : 12,179.26 = 4,792.40 : x
  2. Step 2: Convert to fraction form
    8,825.40/12,179.26 = 4,792.40/x
  3. Step 3: Cross multiply
    8,825.40x = 12,179.26 × 4,792.40
  4. Step 4: Simplify right side
    8,825.40x = 58,367,885.62
  5. Step 5: Solve for x
    x = 58,367,885.62/8,825.40
  6. Step 6: Final answer
    x = 6,613.62

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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.