Home / 10,877.25-15,012.12-6,161.52

Finding the Fourth Proportional to 10,877.25, 15,012.12 and 6,161.52

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Solution

The fourth proportional to 10,877.25, 15,012.12 and 6,161.52 is: 8,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.25 : 15,012.12 = 6,161.52 : x
  2. Step 2: Convert to fraction form
    10,877.25/15,012.12 = 6,161.52/x
  3. Step 3: Cross multiply
    10,877.25x = 15,012.12 × 6,161.52
  4. Step 4: Simplify right side
    10,877.25x = 92,497,477.62
  5. Step 5: Solve for x
    x = 92,497,477.62/10,877.25
  6. Step 6: Final answer
    x = 8,503.76

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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.