Home / 10,216.74-15,335.85-9,054.18

Finding the Fourth Proportional to 10,216.74, 15,335.85 and 9,054.18

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Solution

The fourth proportional to 10,216.74, 15,335.85 and 9,054.18 is: 13,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.74 : 15,335.85 = 9,054.18 : x
  2. Step 2: Convert to fraction form
    10,216.74/15,335.85 = 9,054.18/x
  3. Step 3: Cross multiply
    10,216.74x = 15,335.85 × 9,054.18
  4. Step 4: Simplify right side
    10,216.74x = 138,853,546.35
  5. Step 5: Solve for x
    x = 138,853,546.35/10,216.74
  6. Step 6: Final answer
    x = 13,590.79

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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.