Home / 10,951.80-15,115.05-6,236.52

Finding the Fourth Proportional to 10,951.80, 15,115.05 and 6,236.52

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Solution

The fourth proportional to 10,951.80, 15,115.05 and 6,236.52 is: 8,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.80 : 15,115.05 = 6,236.52 : x
  2. Step 2: Convert to fraction form
    10,951.80/15,115.05 = 6,236.52/x
  3. Step 3: Cross multiply
    10,951.80x = 15,115.05 × 6,236.52
  4. Step 4: Simplify right side
    10,951.80x = 94,265,311.63
  5. Step 5: Solve for x
    x = 94,265,311.63/10,951.80
  6. Step 6: Final answer
    x = 8,607.29

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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.