Home / 8,112.92-11,196.24-4,710.92

Finding the Fourth Proportional to 8,112.92, 11,196.24 and 4,710.92

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Solution

The fourth proportional to 8,112.92, 11,196.24 and 4,710.92 is: 6,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.92 : 11,196.24 = 4,710.92 : x
  2. Step 2: Convert to fraction form
    8,112.92/11,196.24 = 4,710.92/x
  3. Step 3: Cross multiply
    8,112.92x = 11,196.24 × 4,710.92
  4. Step 4: Simplify right side
    8,112.92x = 52,744,590.94
  5. Step 5: Solve for x
    x = 52,744,590.94/8,112.92
  6. Step 6: Final answer
    x = 6,501.31

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Half scale
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Double scale
Find fourth proportional to 8,113.92, 11,197.62 and 4,711.92
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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.