Home / 10,658.13-15,989.00-3,261.80

Finding the Fourth Proportional to 10,658.13, 15,989.00 and 3,261.80

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Solution

The fourth proportional to 10,658.13, 15,989.00 and 3,261.80 is: 4,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.13 : 15,989.00 = 3,261.80 : x
  2. Step 2: Convert to fraction form
    10,658.13/15,989.00 = 3,261.80/x
  3. Step 3: Cross multiply
    10,658.13x = 15,989.00 × 3,261.80
  4. Step 4: Simplify right side
    10,658.13x = 52,152,823.95
  5. Step 5: Solve for x
    x = 52,152,823.95/10,658.13
  6. Step 6: Final answer
    x = 4,893.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.