Home / 9,141.12-13,712.76-3,300.48

Finding the Fourth Proportional to 9,141.12, 13,712.76 and 3,300.48

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Solution

The fourth proportional to 9,141.12, 13,712.76 and 3,300.48 is: 4,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.12 : 13,712.76 = 3,300.48 : x
  2. Step 2: Convert to fraction form
    9,141.12/13,712.76 = 3,300.48/x
  3. Step 3: Cross multiply
    9,141.12x = 13,712.76 × 3,300.48
  4. Step 4: Simplify right side
    9,141.12x = 45,258,690.12
  5. Step 5: Solve for x
    x = 45,258,690.12/9,141.12
  6. Step 6: Final answer
    x = 4,951.11

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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.