Home / 8,173.38-11,280.29-4,637.73

Finding the Fourth Proportional to 8,173.38, 11,280.29 and 4,637.73

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Solution

The fourth proportional to 8,173.38, 11,280.29 and 4,637.73 is: 6,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.38 : 11,280.29 = 4,637.73 : x
  2. Step 2: Convert to fraction form
    8,173.38/11,280.29 = 4,637.73/x
  3. Step 3: Cross multiply
    8,173.38x = 11,280.29 × 4,637.73
  4. Step 4: Simplify right side
    8,173.38x = 52,314,916.15
  5. Step 5: Solve for x
    x = 52,314,916.15/8,173.38
  6. Step 6: Final answer
    x = 6,400.65

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Half scale
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Double scale
Find fourth proportional to 8,174.38, 11,281.67 and 4,638.73
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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.