Home / 8,134.57-11,232.08-6,243.16

Finding the Fourth Proportional to 8,134.57, 11,232.08 and 6,243.16

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Solution

The fourth proportional to 8,134.57, 11,232.08 and 6,243.16 is: 8,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.57 : 11,232.08 = 6,243.16 : x
  2. Step 2: Convert to fraction form
    8,134.57/11,232.08 = 6,243.16/x
  3. Step 3: Cross multiply
    8,134.57x = 11,232.08 × 6,243.16
  4. Step 4: Simplify right side
    8,134.57x = 70,123,641.36
  5. Step 5: Solve for x
    x = 70,123,641.36/8,134.57
  6. Step 6: Final answer
    x = 8,620.45

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Half scale
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Double scale
Find fourth proportional to 8,135.57, 11,233.46 and 6,244.16
Similar ratio
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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.