Home / 6,845.11-9,440.85-4,486.79

Finding the Fourth Proportional to 6,845.11, 9,440.85 and 4,486.79

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Solution

The fourth proportional to 6,845.11, 9,440.85 and 4,486.79 is: 6,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.11 : 9,440.85 = 4,486.79 : x
  2. Step 2: Convert to fraction form
    6,845.11/9,440.85 = 4,486.79/x
  3. Step 3: Cross multiply
    6,845.11x = 9,440.85 × 4,486.79
  4. Step 4: Simplify right side
    6,845.11x = 42,359,151.80
  5. Step 5: Solve for x
    x = 42,359,151.80/6,845.11
  6. Step 6: Final answer
    x = 6,188.24

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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.