Home / 8,276.66-11,421.78-4,550.66

Finding the Fourth Proportional to 8,276.66, 11,421.78 and 4,550.66

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Solution

The fourth proportional to 8,276.66, 11,421.78 and 4,550.66 is: 6,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.66 : 11,421.78 = 4,550.66 : x
  2. Step 2: Convert to fraction form
    8,276.66/11,421.78 = 4,550.66/x
  3. Step 3: Cross multiply
    8,276.66x = 11,421.78 × 4,550.66
  4. Step 4: Simplify right side
    8,276.66x = 51,976,637.37
  5. Step 5: Solve for x
    x = 51,976,637.37/8,276.66
  6. Step 6: Final answer
    x = 6,279.90

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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.