Home / 8,855.16-12,220.23-4,876.26

Finding the Fourth Proportional to 8,855.16, 12,220.23 and 4,876.26

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Solution

The fourth proportional to 8,855.16, 12,220.23 and 4,876.26 is: 6,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.16 : 12,220.23 = 4,876.26 : x
  2. Step 2: Convert to fraction form
    8,855.16/12,220.23 = 4,876.26/x
  3. Step 3: Cross multiply
    8,855.16x = 12,220.23 × 4,876.26
  4. Step 4: Simplify right side
    8,855.16x = 59,589,018.74
  5. Step 5: Solve for x
    x = 59,589,018.74/8,855.16
  6. Step 6: Final answer
    x = 6,729.30

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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.