Home / 8,015.12-11,060.14-5,182.60

Finding the Fourth Proportional to 8,015.12, 11,060.14 and 5,182.60

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Solution

The fourth proportional to 8,015.12, 11,060.14 and 5,182.60 is: 7,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.12 : 11,060.14 = 5,182.60 : x
  2. Step 2: Convert to fraction form
    8,015.12/11,060.14 = 5,182.60/x
  3. Step 3: Cross multiply
    8,015.12x = 11,060.14 × 5,182.60
  4. Step 4: Simplify right side
    8,015.12x = 57,320,281.56
  5. Step 5: Solve for x
    x = 57,320,281.56/8,015.12
  6. Step 6: Final answer
    x = 7,151.52

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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.