Home / 8,818.14-12,169.80-4,840.04

Finding the Fourth Proportional to 8,818.14, 12,169.80 and 4,840.04

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Solution

The fourth proportional to 8,818.14, 12,169.80 and 4,840.04 is: 6,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.14 : 12,169.80 = 4,840.04 : x
  2. Step 2: Convert to fraction form
    8,818.14/12,169.80 = 4,840.04/x
  3. Step 3: Cross multiply
    8,818.14x = 12,169.80 × 4,840.04
  4. Step 4: Simplify right side
    8,818.14x = 58,902,318.79
  5. Step 5: Solve for x
    x = 58,902,318.79/8,818.14
  6. Step 6: Final answer
    x = 6,679.68

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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.