Home / 11,150.46-15,387.86-6,114.39

Finding the Fourth Proportional to 11,150.46, 15,387.86 and 6,114.39

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Solution

The fourth proportional to 11,150.46, 15,387.86 and 6,114.39 is: 8,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.46 : 15,387.86 = 6,114.39 : x
  2. Step 2: Convert to fraction form
    11,150.46/15,387.86 = 6,114.39/x
  3. Step 3: Cross multiply
    11,150.46x = 15,387.86 × 6,114.39
  4. Step 4: Simplify right side
    11,150.46x = 94,087,346.73
  5. Step 5: Solve for x
    x = 94,087,346.73/11,150.46
  6. Step 6: Final answer
    x = 8,437.98

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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.