Home / 8,174.16-11,280.23-4,817.11

Finding the Fourth Proportional to 8,174.16, 11,280.23 and 4,817.11

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Solution

The fourth proportional to 8,174.16, 11,280.23 and 4,817.11 is: 6,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.16 : 11,280.23 = 4,817.11 : x
  2. Step 2: Convert to fraction form
    8,174.16/11,280.23 = 4,817.11/x
  3. Step 3: Cross multiply
    8,174.16x = 11,280.23 × 4,817.11
  4. Step 4: Simplify right side
    8,174.16x = 54,338,084.65
  5. Step 5: Solve for x
    x = 54,338,084.65/8,174.16
  6. Step 6: Final answer
    x = 6,647.55

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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.