Home / 8,015.02-11,060.39-4,429.80

Finding the Fourth Proportional to 8,015.02, 11,060.39 and 4,429.80

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Solution

The fourth proportional to 8,015.02, 11,060.39 and 4,429.80 is: 6,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.02 : 11,060.39 = 4,429.80 : x
  2. Step 2: Convert to fraction form
    8,015.02/11,060.39 = 4,429.80/x
  3. Step 3: Cross multiply
    8,015.02x = 11,060.39 × 4,429.80
  4. Step 4: Simplify right side
    8,015.02x = 48,995,262.90
  5. Step 5: Solve for x
    x = 48,995,262.90/8,015.02
  6. Step 6: Final answer
    x = 6,112.93

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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.