Home / 11,058.42-15,255.66-7,472.22

Finding the Fourth Proportional to 11,058.42, 15,255.66 and 7,472.22

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Solution

The fourth proportional to 11,058.42, 15,255.66 and 7,472.22 is: 10,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.42 : 15,255.66 = 7,472.22 : x
  2. Step 2: Convert to fraction form
    11,058.42/15,255.66 = 7,472.22/x
  3. Step 3: Cross multiply
    11,058.42x = 15,255.66 × 7,472.22
  4. Step 4: Simplify right side
    11,058.42x = 113,993,647.77
  5. Step 5: Solve for x
    x = 113,993,647.77/11,058.42
  6. Step 6: Final answer
    x = 10,308.31

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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.