Home / 8,053.72-11,118.90-5,072.11

Finding the Fourth Proportional to 8,053.72, 11,118.90 and 5,072.11

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Solution

The fourth proportional to 8,053.72, 11,118.90 and 5,072.11 is: 7,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.72 : 11,118.90 = 5,072.11 : x
  2. Step 2: Convert to fraction form
    8,053.72/11,118.90 = 5,072.11/x
  3. Step 3: Cross multiply
    8,053.72x = 11,118.90 × 5,072.11
  4. Step 4: Simplify right side
    8,053.72x = 56,396,283.88
  5. Step 5: Solve for x
    x = 56,396,283.88/8,053.72
  6. Step 6: Final answer
    x = 7,002.51

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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.