Home / 9,141.75-13,719.51-4,758.84

Finding the Fourth Proportional to 9,141.75, 13,719.51 and 4,758.84

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Solution

The fourth proportional to 9,141.75, 13,719.51 and 4,758.84 is: 7,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.75 : 13,719.51 = 4,758.84 : x
  2. Step 2: Convert to fraction form
    9,141.75/13,719.51 = 4,758.84/x
  3. Step 3: Cross multiply
    9,141.75x = 13,719.51 × 4,758.84
  4. Step 4: Simplify right side
    9,141.75x = 65,288,952.97
  5. Step 5: Solve for x
    x = 65,288,952.97/9,141.75
  6. Step 6: Final answer
    x = 7,141.84

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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.