Home / 8,013.30-11,049.36-5,176.94

Finding the Fourth Proportional to 8,013.30, 11,049.36 and 5,176.94

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Solution

The fourth proportional to 8,013.30, 11,049.36 and 5,176.94 is: 7,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.30 : 11,049.36 = 5,176.94 : x
  2. Step 2: Convert to fraction form
    8,013.30/11,049.36 = 5,176.94/x
  3. Step 3: Cross multiply
    8,013.30x = 11,049.36 × 5,176.94
  4. Step 4: Simplify right side
    8,013.30x = 57,201,859.29
  5. Step 5: Solve for x
    x = 57,201,859.29/8,013.30
  6. Step 6: Final answer
    x = 7,138.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.