Home / 8,053.44-11,103.46-5,215.80

Finding the Fourth Proportional to 8,053.44, 11,103.46 and 5,215.80

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Solution

The fourth proportional to 8,053.44, 11,103.46 and 5,215.80 is: 7,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.44 : 11,103.46 = 5,215.80 : x
  2. Step 2: Convert to fraction form
    8,053.44/11,103.46 = 5,215.80/x
  3. Step 3: Cross multiply
    8,053.44x = 11,103.46 × 5,215.80
  4. Step 4: Simplify right side
    8,053.44x = 57,913,426.67
  5. Step 5: Solve for x
    x = 57,913,426.67/8,053.44
  6. Step 6: Final answer
    x = 7,191.14

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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.