Home / 9,276.08-13,879.22-5,705.78

Finding the Fourth Proportional to 9,276.08, 13,879.22 and 5,705.78

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Solution

The fourth proportional to 9,276.08, 13,879.22 and 5,705.78 is: 8,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.08 : 13,879.22 = 5,705.78 : x
  2. Step 2: Convert to fraction form
    9,276.08/13,879.22 = 5,705.78/x
  3. Step 3: Cross multiply
    9,276.08x = 13,879.22 × 5,705.78
  4. Step 4: Simplify right side
    9,276.08x = 79,191,677.97
  5. Step 5: Solve for x
    x = 79,191,677.97/9,276.08
  6. Step 6: Final answer
    x = 8,537.20

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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.