Home / 11,229.61-15,502.94-6,754.36

Finding the Fourth Proportional to 11,229.61, 15,502.94 and 6,754.36

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Solution

The fourth proportional to 11,229.61, 15,502.94 and 6,754.36 is: 9,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.61 : 15,502.94 = 6,754.36 : x
  2. Step 2: Convert to fraction form
    11,229.61/15,502.94 = 6,754.36/x
  3. Step 3: Cross multiply
    11,229.61x = 15,502.94 × 6,754.36
  4. Step 4: Simplify right side
    11,229.61x = 104,712,400.69
  5. Step 5: Solve for x
    x = 104,712,400.69/11,229.61
  6. Step 6: Final answer
    x = 9,324.67

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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.