Home / 11,358.90-17,042.58-5,117.04

Finding the Fourth Proportional to 11,358.90, 17,042.58 and 5,117.04

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Solution

The fourth proportional to 11,358.90, 17,042.58 and 5,117.04 is: 7,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.90 : 17,042.58 = 5,117.04 : x
  2. Step 2: Convert to fraction form
    11,358.90/17,042.58 = 5,117.04/x
  3. Step 3: Cross multiply
    11,358.90x = 17,042.58 × 5,117.04
  4. Step 4: Simplify right side
    11,358.90x = 87,207,563.56
  5. Step 5: Solve for x
    x = 87,207,563.56/11,358.90
  6. Step 6: Final answer
    x = 7,677.47

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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.