Home / 8,047.24-12,073.48-3,887.72

Finding the Fourth Proportional to 8,047.24, 12,073.48 and 3,887.72

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Solution

The fourth proportional to 8,047.24, 12,073.48 and 3,887.72 is: 5,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.24 : 12,073.48 = 3,887.72 : x
  2. Step 2: Convert to fraction form
    8,047.24/12,073.48 = 3,887.72/x
  3. Step 3: Cross multiply
    8,047.24x = 12,073.48 × 3,887.72
  4. Step 4: Simplify right side
    8,047.24x = 46,938,329.75
  5. Step 5: Solve for x
    x = 46,938,329.75/8,047.24
  6. Step 6: Final answer
    x = 5,832.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.