Home / 11,351.34-17,017.43-5,424.98

Finding the Fourth Proportional to 11,351.34, 17,017.43 and 5,424.98

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Solution

The fourth proportional to 11,351.34, 17,017.43 and 5,424.98 is: 8,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.34 : 17,017.43 = 5,424.98 : x
  2. Step 2: Convert to fraction form
    11,351.34/17,017.43 = 5,424.98/x
  3. Step 3: Cross multiply
    11,351.34x = 17,017.43 × 5,424.98
  4. Step 4: Simplify right side
    11,351.34x = 92,319,105.19
  5. Step 5: Solve for x
    x = 92,319,105.19/11,351.34
  6. Step 6: Final answer
    x = 8,132.88

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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.