Home / 9,265.88-13,900.25-3,111.32

Finding the Fourth Proportional to 9,265.88, 13,900.25 and 3,111.32

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Solution

The fourth proportional to 9,265.88, 13,900.25 and 3,111.32 is: 4,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.88 : 13,900.25 = 3,111.32 : x
  2. Step 2: Convert to fraction form
    9,265.88/13,900.25 = 3,111.32/x
  3. Step 3: Cross multiply
    9,265.88x = 13,900.25 × 3,111.32
  4. Step 4: Simplify right side
    9,265.88x = 43,248,064.11
  5. Step 5: Solve for x
    x = 43,248,064.11/9,265.88
  6. Step 6: Final answer
    x = 4,667.46

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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.