Home / 8,855.29-12,219.87-4,876.30

Finding the Fourth Proportional to 8,855.29, 12,219.87 and 4,876.30

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Solution

The fourth proportional to 8,855.29, 12,219.87 and 4,876.30 is: 6,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.29 : 12,219.87 = 4,876.30 : x
  2. Step 2: Convert to fraction form
    8,855.29/12,219.87 = 4,876.30/x
  3. Step 3: Cross multiply
    8,855.29x = 12,219.87 × 4,876.30
  4. Step 4: Simplify right side
    8,855.29x = 59,587,752.08
  5. Step 5: Solve for x
    x = 59,587,752.08/8,855.29
  6. Step 6: Final answer
    x = 6,729.06

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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.