Home / 9,521.78-13,132.97-6,162.00

Finding the Fourth Proportional to 9,521.78, 13,132.97 and 6,162.00

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Solution

The fourth proportional to 9,521.78, 13,132.97 and 6,162.00 is: 8,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.78 : 13,132.97 = 6,162.00 : x
  2. Step 2: Convert to fraction form
    9,521.78/13,132.97 = 6,162.00/x
  3. Step 3: Cross multiply
    9,521.78x = 13,132.97 × 6,162.00
  4. Step 4: Simplify right side
    9,521.78x = 80,925,367.12
  5. Step 5: Solve for x
    x = 80,925,367.12/9,521.78
  6. Step 6: Final answer
    x = 8,498.98

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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.