Home / 11,011.22-15,200.22-6,762.97

Finding the Fourth Proportional to 11,011.22, 15,200.22 and 6,762.97

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Solution

The fourth proportional to 11,011.22, 15,200.22 and 6,762.97 is: 9,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.22 : 15,200.22 = 6,762.97 : x
  2. Step 2: Convert to fraction form
    11,011.22/15,200.22 = 6,762.97/x
  3. Step 3: Cross multiply
    11,011.22x = 15,200.22 × 6,762.97
  4. Step 4: Simplify right side
    11,011.22x = 102,798,631.85
  5. Step 5: Solve for x
    x = 102,798,631.85/11,011.22
  6. Step 6: Final answer
    x = 9,335.81

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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.