Home / 9,222.36-13,834.08-2,648.40

Finding the Fourth Proportional to 9,222.36, 13,834.08 and 2,648.40

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Solution

The fourth proportional to 9,222.36, 13,834.08 and 2,648.40 is: 3,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.36 : 13,834.08 = 2,648.40 : x
  2. Step 2: Convert to fraction form
    9,222.36/13,834.08 = 2,648.40/x
  3. Step 3: Cross multiply
    9,222.36x = 13,834.08 × 2,648.40
  4. Step 4: Simplify right side
    9,222.36x = 36,638,177.47
  5. Step 5: Solve for x
    x = 36,638,177.47/9,222.36
  6. Step 6: Final answer
    x = 3,972.76

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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.