Home / 11,825.76-16,319.34-6,521.06

Finding the Fourth Proportional to 11,825.76, 16,319.34 and 6,521.06

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Solution

The fourth proportional to 11,825.76, 16,319.34 and 6,521.06 is: 8,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.76 : 16,319.34 = 6,521.06 : x
  2. Step 2: Convert to fraction form
    11,825.76/16,319.34 = 6,521.06/x
  3. Step 3: Cross multiply
    11,825.76x = 16,319.34 × 6,521.06
  4. Step 4: Simplify right side
    11,825.76x = 106,419,395.30
  5. Step 5: Solve for x
    x = 106,419,395.30/11,825.76
  6. Step 6: Final answer
    x = 8,998.95

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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.