Home / 11,415.12-17,118.52-4,841.76

Finding the Fourth Proportional to 11,415.12, 17,118.52 and 4,841.76

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Solution

The fourth proportional to 11,415.12, 17,118.52 and 4,841.76 is: 7,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.12 : 17,118.52 = 4,841.76 : x
  2. Step 2: Convert to fraction form
    11,415.12/17,118.52 = 4,841.76/x
  3. Step 3: Cross multiply
    11,415.12x = 17,118.52 × 4,841.76
  4. Step 4: Simplify right side
    11,415.12x = 82,883,765.40
  5. Step 5: Solve for x
    x = 82,883,765.40/11,415.12
  6. Step 6: Final answer
    x = 7,260.88

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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.