Home / 10,277.25-15,415.86-2,486.06

Finding the Fourth Proportional to 10,277.25, 15,415.86 and 2,486.06

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Solution

The fourth proportional to 10,277.25, 15,415.86 and 2,486.06 is: 3,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.25 : 15,415.86 = 2,486.06 : x
  2. Step 2: Convert to fraction form
    10,277.25/15,415.86 = 2,486.06/x
  3. Step 3: Cross multiply
    10,277.25x = 15,415.86 × 2,486.06
  4. Step 4: Simplify right side
    10,277.25x = 38,324,675.83
  5. Step 5: Solve for x
    x = 38,324,675.83/10,277.25
  6. Step 6: Final answer
    x = 3,729.08

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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.