Home / 8,760.96-13,143.47-2,521.06

Finding the Fourth Proportional to 8,760.96, 13,143.47 and 2,521.06

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Solution

The fourth proportional to 8,760.96, 13,143.47 and 2,521.06 is: 3,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.96 : 13,143.47 = 2,521.06 : x
  2. Step 2: Convert to fraction form
    8,760.96/13,143.47 = 2,521.06/x
  3. Step 3: Cross multiply
    8,760.96x = 13,143.47 × 2,521.06
  4. Step 4: Simplify right side
    8,760.96x = 33,135,431.01
  5. Step 5: Solve for x
    x = 33,135,431.01/8,760.96
  6. Step 6: Final answer
    x = 3,782.17

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1.5x scale

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.