Home / 10,876.15-16,316.65-3,481.05

Finding the Fourth Proportional to 10,876.15, 16,316.65 and 3,481.05

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Solution

The fourth proportional to 10,876.15, 16,316.65 and 3,481.05 is: 5,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.15 : 16,316.65 = 3,481.05 : x
  2. Step 2: Convert to fraction form
    10,876.15/16,316.65 = 3,481.05/x
  3. Step 3: Cross multiply
    10,876.15x = 16,316.65 × 3,481.05
  4. Step 4: Simplify right side
    10,876.15x = 56,799,074.48
  5. Step 5: Solve for x
    x = 56,799,074.48/10,876.15
  6. Step 6: Final answer
    x = 5,222.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.