Home / 8,770.68-12,104.39-4,792.40

Finding the Fourth Proportional to 8,770.68, 12,104.39 and 4,792.40

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Solution

The fourth proportional to 8,770.68, 12,104.39 and 4,792.40 is: 6,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.68 : 12,104.39 = 4,792.40 : x
  2. Step 2: Convert to fraction form
    8,770.68/12,104.39 = 4,792.40/x
  3. Step 3: Cross multiply
    8,770.68x = 12,104.39 × 4,792.40
  4. Step 4: Simplify right side
    8,770.68x = 58,008,994.15
  5. Step 5: Solve for x
    x = 58,008,994.15/8,770.68
  6. Step 6: Final answer
    x = 6,613.97

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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.