Home / 10,912.05-15,058.70-6,132.03

Finding the Fourth Proportional to 10,912.05, 15,058.70 and 6,132.03

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Solution

The fourth proportional to 10,912.05, 15,058.70 and 6,132.03 is: 8,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.05 : 15,058.70 = 6,132.03 : x
  2. Step 2: Convert to fraction form
    10,912.05/15,058.70 = 6,132.03/x
  3. Step 3: Cross multiply
    10,912.05x = 15,058.70 × 6,132.03
  4. Step 4: Simplify right side
    10,912.05x = 92,340,369.50
  5. Step 5: Solve for x
    x = 92,340,369.50/10,912.05
  6. Step 6: Final answer
    x = 8,462.24

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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.