Home / 11,378.24-17,042.64-5,522.56

Finding the Fourth Proportional to 11,378.24, 17,042.64 and 5,522.56

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Solution

The fourth proportional to 11,378.24, 17,042.64 and 5,522.56 is: 8,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.24 : 17,042.64 = 5,522.56 : x
  2. Step 2: Convert to fraction form
    11,378.24/17,042.64 = 5,522.56/x
  3. Step 3: Cross multiply
    11,378.24x = 17,042.64 × 5,522.56
  4. Step 4: Simplify right side
    11,378.24x = 94,119,001.96
  5. Step 5: Solve for x
    x = 94,119,001.96/11,378.24
  6. Step 6: Final answer
    x = 8,271.84

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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.