Home / 9,342.88-14,013.84-2,769.12

Finding the Fourth Proportional to 9,342.88, 14,013.84 and 2,769.12

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Solution

The fourth proportional to 9,342.88, 14,013.84 and 2,769.12 is: 4,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.88 : 14,013.84 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    9,342.88/14,013.84 = 2,769.12/x
  3. Step 3: Cross multiply
    9,342.88x = 14,013.84 × 2,769.12
  4. Step 4: Simplify right side
    9,342.88x = 38,806,004.62
  5. Step 5: Solve for x
    x = 38,806,004.62/9,342.88
  6. Step 6: Final answer
    x = 4,153.54

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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.