Home / 9,174.16-12,660.48-4,982.41

Finding the Fourth Proportional to 9,174.16, 12,660.48 and 4,982.41

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Solution

The fourth proportional to 9,174.16, 12,660.48 and 4,982.41 is: 6,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.16 : 12,660.48 = 4,982.41 : x
  2. Step 2: Convert to fraction form
    9,174.16/12,660.48 = 4,982.41/x
  3. Step 3: Cross multiply
    9,174.16x = 12,660.48 × 4,982.41
  4. Step 4: Simplify right side
    9,174.16x = 63,079,702.16
  5. Step 5: Solve for x
    x = 63,079,702.16/9,174.16
  6. Step 6: Final answer
    x = 6,875.80

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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.