Home / 8,173.46-11,279.00-5,339.48

Finding the Fourth Proportional to 8,173.46, 11,279.00 and 5,339.48

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Solution

The fourth proportional to 8,173.46, 11,279.00 and 5,339.48 is: 7,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.46 : 11,279.00 = 5,339.48 : x
  2. Step 2: Convert to fraction form
    8,173.46/11,279.00 = 5,339.48/x
  3. Step 3: Cross multiply
    8,173.46x = 11,279.00 × 5,339.48
  4. Step 4: Simplify right side
    8,173.46x = 60,223,951.87
  5. Step 5: Solve for x
    x = 60,223,951.87/8,173.46
  6. Step 6: Final answer
    x = 7,368.23

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Half scale
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Double scale
Find fourth proportional to 8,174.46, 11,280.38 and 5,340.48
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.