Home / 9,143.24-13,713.45-2,902.43

Finding the Fourth Proportional to 9,143.24, 13,713.45 and 2,902.43

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Solution

The fourth proportional to 9,143.24, 13,713.45 and 2,902.43 is: 4,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.24 : 13,713.45 = 2,902.43 : x
  2. Step 2: Convert to fraction form
    9,143.24/13,713.45 = 2,902.43/x
  3. Step 3: Cross multiply
    9,143.24x = 13,713.45 × 2,902.43
  4. Step 4: Simplify right side
    9,143.24x = 39,802,362.97
  5. Step 5: Solve for x
    x = 39,802,362.97/9,143.24
  6. Step 6: Final answer
    x = 4,353.20

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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.