Home / 8,741.03-12,060.70-5,716.85

Finding the Fourth Proportional to 8,741.03, 12,060.70 and 5,716.85

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Solution

The fourth proportional to 8,741.03, 12,060.70 and 5,716.85 is: 7,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.03 : 12,060.70 = 5,716.85 : x
  2. Step 2: Convert to fraction form
    8,741.03/12,060.70 = 5,716.85/x
  3. Step 3: Cross multiply
    8,741.03x = 12,060.70 × 5,716.85
  4. Step 4: Simplify right side
    8,741.03x = 68,949,138.20
  5. Step 5: Solve for x
    x = 68,949,138.20/8,741.03
  6. Step 6: Final answer
    x = 7,887.99

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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.