Home / 8,161.79-11,263.12-4,624.92

Finding the Fourth Proportional to 8,161.79, 11,263.12 and 4,624.92

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Solution

The fourth proportional to 8,161.79, 11,263.12 and 4,624.92 is: 6,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.79 : 11,263.12 = 4,624.92 : x
  2. Step 2: Convert to fraction form
    8,161.79/11,263.12 = 4,624.92/x
  3. Step 3: Cross multiply
    8,161.79x = 11,263.12 × 4,624.92
  4. Step 4: Simplify right side
    8,161.79x = 52,091,017.39
  5. Step 5: Solve for x
    x = 52,091,017.39/8,161.79
  6. Step 6: Final answer
    x = 6,382.31

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Half scale
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Double scale
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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.