Home / 8,855.04-12,219.99-4,876.15

Finding the Fourth Proportional to 8,855.04, 12,219.99 and 4,876.15

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Solution

The fourth proportional to 8,855.04, 12,219.99 and 4,876.15 is: 6,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.04 : 12,219.99 = 4,876.15 : x
  2. Step 2: Convert to fraction form
    8,855.04/12,219.99 = 4,876.15/x
  3. Step 3: Cross multiply
    8,855.04x = 12,219.99 × 4,876.15
  4. Step 4: Simplify right side
    8,855.04x = 59,586,473.69
  5. Step 5: Solve for x
    x = 59,586,473.69/8,855.04
  6. Step 6: Final answer
    x = 6,729.10

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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.