Home / 9,912.16-13,676.61-6,726.03

Finding the Fourth Proportional to 9,912.16, 13,676.61 and 6,726.03

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Solution

The fourth proportional to 9,912.16, 13,676.61 and 6,726.03 is: 9,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.16 : 13,676.61 = 6,726.03 : x
  2. Step 2: Convert to fraction form
    9,912.16/13,676.61 = 6,726.03/x
  3. Step 3: Cross multiply
    9,912.16x = 13,676.61 × 6,726.03
  4. Step 4: Simplify right side
    9,912.16x = 91,989,289.16
  5. Step 5: Solve for x
    x = 91,989,289.16/9,912.16
  6. Step 6: Final answer
    x = 9,280.45

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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.