Home / 8,047.68-11,108.40-5,069.28

Finding the Fourth Proportional to 8,047.68, 11,108.40 and 5,069.28

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Solution

The fourth proportional to 8,047.68, 11,108.40 and 5,069.28 is: 6,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.68 : 11,108.40 = 5,069.28 : x
  2. Step 2: Convert to fraction form
    8,047.68/11,108.40 = 5,069.28/x
  3. Step 3: Cross multiply
    8,047.68x = 11,108.40 × 5,069.28
  4. Step 4: Simplify right side
    8,047.68x = 56,311,589.95
  5. Step 5: Solve for x
    x = 56,311,589.95/8,047.68
  6. Step 6: Final answer
    x = 6,997.25

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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.