Home / 9,097.24-13,645.84-2,857.28

Finding the Fourth Proportional to 9,097.24, 13,645.84 and 2,857.28

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Solution

The fourth proportional to 9,097.24, 13,645.84 and 2,857.28 is: 4,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.24 : 13,645.84 = 2,857.28 : x
  2. Step 2: Convert to fraction form
    9,097.24/13,645.84 = 2,857.28/x
  3. Step 3: Cross multiply
    9,097.24x = 13,645.84 × 2,857.28
  4. Step 4: Simplify right side
    9,097.24x = 38,989,985.72
  5. Step 5: Solve for x
    x = 38,989,985.72/9,097.24
  6. Step 6: Final answer
    x = 4,285.91

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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.