Home / 11,009.34-15,197.63-6,761.09

Finding the Fourth Proportional to 11,009.34, 15,197.63 and 6,761.09

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Solution

The fourth proportional to 11,009.34, 15,197.63 and 6,761.09 is: 9,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.34 : 15,197.63 = 6,761.09 : x
  2. Step 2: Convert to fraction form
    11,009.34/15,197.63 = 6,761.09/x
  3. Step 3: Cross multiply
    11,009.34x = 15,197.63 × 6,761.09
  4. Step 4: Simplify right side
    11,009.34x = 102,752,548.41
  5. Step 5: Solve for x
    x = 102,752,548.41/11,009.34
  6. Step 6: Final answer
    x = 9,333.22

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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.