Home / 8,079.90-11,148.75-5,093.70

Finding the Fourth Proportional to 8,079.90, 11,148.75 and 5,093.70

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Solution

The fourth proportional to 8,079.90, 11,148.75 and 5,093.70 is: 7,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.90 : 11,148.75 = 5,093.70 : x
  2. Step 2: Convert to fraction form
    8,079.90/11,148.75 = 5,093.70/x
  3. Step 3: Cross multiply
    8,079.90x = 11,148.75 × 5,093.70
  4. Step 4: Simplify right side
    8,079.90x = 56,788,387.88
  5. Step 5: Solve for x
    x = 56,788,387.88/8,079.90
  6. Step 6: Final answer
    x = 7,028.35

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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.