Home / 8,818.94-12,170.10-4,840.12

Finding the Fourth Proportional to 8,818.94, 12,170.10 and 4,840.12

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Solution

The fourth proportional to 8,818.94, 12,170.10 and 4,840.12 is: 6,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.94 : 12,170.10 = 4,840.12 : x
  2. Step 2: Convert to fraction form
    8,818.94/12,170.10 = 4,840.12/x
  3. Step 3: Cross multiply
    8,818.94x = 12,170.10 × 4,840.12
  4. Step 4: Simplify right side
    8,818.94x = 58,904,744.41
  5. Step 5: Solve for x
    x = 58,904,744.41/8,818.94
  6. Step 6: Final answer
    x = 6,679.35

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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.