Home / 8,818.98-12,170.12-4,840.14

Finding the Fourth Proportional to 8,818.98, 12,170.12 and 4,840.14

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Solution

The fourth proportional to 8,818.98, 12,170.12 and 4,840.14 is: 6,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.98 : 12,170.12 = 4,840.14 : x
  2. Step 2: Convert to fraction form
    8,818.98/12,170.12 = 4,840.14/x
  3. Step 3: Cross multiply
    8,818.98x = 12,170.12 × 4,840.14
  4. Step 4: Simplify right side
    8,818.98x = 58,905,084.62
  5. Step 5: Solve for x
    x = 58,905,084.62/8,818.98
  6. Step 6: Final answer
    x = 6,679.35

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Half scale
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Double scale
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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.