Home / 8,936.83-12,334.53-5,162.46

Finding the Fourth Proportional to 8,936.83, 12,334.53 and 5,162.46

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Solution

The fourth proportional to 8,936.83, 12,334.53 and 5,162.46 is: 7,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.83 : 12,334.53 = 5,162.46 : x
  2. Step 2: Convert to fraction form
    8,936.83/12,334.53 = 5,162.46/x
  3. Step 3: Cross multiply
    8,936.83x = 12,334.53 × 5,162.46
  4. Step 4: Simplify right side
    8,936.83x = 63,676,517.74
  5. Step 5: Solve for x
    x = 63,676,517.74/8,936.83
  6. Step 6: Final answer
    x = 7,125.18

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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.