Home / 8,521.97-11,760.21-4,745.07

Finding the Fourth Proportional to 8,521.97, 11,760.21 and 4,745.07

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Solution

The fourth proportional to 8,521.97, 11,760.21 and 4,745.07 is: 6,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.97 : 11,760.21 = 4,745.07 : x
  2. Step 2: Convert to fraction form
    8,521.97/11,760.21 = 4,745.07/x
  3. Step 3: Cross multiply
    8,521.97x = 11,760.21 × 4,745.07
  4. Step 4: Simplify right side
    8,521.97x = 55,803,019.66
  5. Step 5: Solve for x
    x = 55,803,019.66/8,521.97
  6. Step 6: Final answer
    x = 6,548.14

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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.