Home / 11,231.36-15,503.20-6,756.48

Finding the Fourth Proportional to 11,231.36, 15,503.20 and 6,756.48

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Solution

The fourth proportional to 11,231.36, 15,503.20 and 6,756.48 is: 9,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.36 : 15,503.20 = 6,756.48 : x
  2. Step 2: Convert to fraction form
    11,231.36/15,503.20 = 6,756.48/x
  3. Step 3: Cross multiply
    11,231.36x = 15,503.20 × 6,756.48
  4. Step 4: Simplify right side
    11,231.36x = 104,747,060.74
  5. Step 5: Solve for x
    x = 104,747,060.74/11,231.36
  6. Step 6: Final answer
    x = 9,326.30

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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.