Home / 8,881.05-12,255.95-4,902.17

Finding the Fourth Proportional to 8,881.05, 12,255.95 and 4,902.17

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Solution

The fourth proportional to 8,881.05, 12,255.95 and 4,902.17 is: 6,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.05 : 12,255.95 = 4,902.17 : x
  2. Step 2: Convert to fraction form
    8,881.05/12,255.95 = 4,902.17/x
  3. Step 3: Cross multiply
    8,881.05x = 12,255.95 × 4,902.17
  4. Step 4: Simplify right side
    8,881.05x = 60,080,742.75
  5. Step 5: Solve for x
    x = 60,080,742.75/8,881.05
  6. Step 6: Final answer
    x = 6,765.05

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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.