Home / 11,678.31-17,520.24-3,358.14

Finding the Fourth Proportional to 11,678.31, 17,520.24 and 3,358.14

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Solution

The fourth proportional to 11,678.31, 17,520.24 and 3,358.14 is: 5,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.31 : 17,520.24 = 3,358.14 : x
  2. Step 2: Convert to fraction form
    11,678.31/17,520.24 = 3,358.14/x
  3. Step 3: Cross multiply
    11,678.31x = 17,520.24 × 3,358.14
  4. Step 4: Simplify right side
    11,678.31x = 58,835,418.75
  5. Step 5: Solve for x
    x = 58,835,418.75/11,678.31
  6. Step 6: Final answer
    x = 5,038.01

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1.5x scale

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.