Home / 11,678.26-17,520.36-3,358.10

Finding the Fourth Proportional to 11,678.26, 17,520.36 and 3,358.10

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Solution

The fourth proportional to 11,678.26, 17,520.36 and 3,358.10 is: 5,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.26 : 17,520.36 = 3,358.10 : x
  2. Step 2: Convert to fraction form
    11,678.26/17,520.36 = 3,358.10/x
  3. Step 3: Cross multiply
    11,678.26x = 17,520.36 × 3,358.10
  4. Step 4: Simplify right side
    11,678.26x = 58,835,120.92
  5. Step 5: Solve for x
    x = 58,835,120.92/11,678.26
  6. Step 6: Final answer
    x = 5,038.00

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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.