Home / 10,611.25-15,917.37-3,591.08

Finding the Fourth Proportional to 10,611.25, 15,917.37 and 3,591.08

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Solution

The fourth proportional to 10,611.25, 15,917.37 and 3,591.08 is: 5,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.25 : 15,917.37 = 3,591.08 : x
  2. Step 2: Convert to fraction form
    10,611.25/15,917.37 = 3,591.08/x
  3. Step 3: Cross multiply
    10,611.25x = 15,917.37 × 3,591.08
  4. Step 4: Simplify right side
    10,611.25x = 57,160,549.06
  5. Step 5: Solve for x
    x = 57,160,549.06/10,611.25
  6. Step 6: Final answer
    x = 5,386.79

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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.