Home / 8,345.19-11,516.27-4,808.73

Finding the Fourth Proportional to 8,345.19, 11,516.27 and 4,808.73

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Solution

The fourth proportional to 8,345.19, 11,516.27 and 4,808.73 is: 6,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.19 : 11,516.27 = 4,808.73 : x
  2. Step 2: Convert to fraction form
    8,345.19/11,516.27 = 4,808.73/x
  3. Step 3: Cross multiply
    8,345.19x = 11,516.27 × 4,808.73
  4. Step 4: Simplify right side
    8,345.19x = 55,378,608.99
  5. Step 5: Solve for x
    x = 55,378,608.99/8,345.19
  6. Step 6: Final answer
    x = 6,635.99

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Half scale
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Double scale
Find fourth proportional to 8,346.19, 11,517.64 and 4,809.73
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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.