Home / 10,876.94-15,010.49-6,161.22

Finding the Fourth Proportional to 10,876.94, 15,010.49 and 6,161.22

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Solution

The fourth proportional to 10,876.94, 15,010.49 and 6,161.22 is: 8,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.94 : 15,010.49 = 6,161.22 : x
  2. Step 2: Convert to fraction form
    10,876.94/15,010.49 = 6,161.22/x
  3. Step 3: Cross multiply
    10,876.94x = 15,010.49 × 6,161.22
  4. Step 4: Simplify right side
    10,876.94x = 92,482,900.39
  5. Step 5: Solve for x
    x = 92,482,900.39/10,876.94
  6. Step 6: Final answer
    x = 8,502.66

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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.