Home / 8,770.61-12,103.29-4,791.62

Finding the Fourth Proportional to 8,770.61, 12,103.29 and 4,791.62

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Solution

The fourth proportional to 8,770.61, 12,103.29 and 4,791.62 is: 6,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.61 : 12,103.29 = 4,791.62 : x
  2. Step 2: Convert to fraction form
    8,770.61/12,103.29 = 4,791.62/x
  3. Step 3: Cross multiply
    8,770.61x = 12,103.29 × 4,791.62
  4. Step 4: Simplify right side
    8,770.61x = 57,994,366.43
  5. Step 5: Solve for x
    x = 57,994,366.43/8,770.61
  6. Step 6: Final answer
    x = 6,612.35

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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.