Home / 6,456.26-8,911.08-4,097.96

Finding the Fourth Proportional to 6,456.26, 8,911.08 and 4,097.96

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Solution

The fourth proportional to 6,456.26, 8,911.08 and 4,097.96 is: 5,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.26 : 8,911.08 = 4,097.96 : x
  2. Step 2: Convert to fraction form
    6,456.26/8,911.08 = 4,097.96/x
  3. Step 3: Cross multiply
    6,456.26x = 8,911.08 × 4,097.96
  4. Step 4: Simplify right side
    6,456.26x = 36,517,249.40
  5. Step 5: Solve for x
    x = 36,517,249.40/6,456.26
  6. Step 6: Final answer
    x = 5,656.10

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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.