Home / 11,791.24-16,272.70-7,009.92

Finding the Fourth Proportional to 11,791.24, 16,272.70 and 7,009.92

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Solution

The fourth proportional to 11,791.24, 16,272.70 and 7,009.92 is: 9,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.24 : 16,272.70 = 7,009.92 : x
  2. Step 2: Convert to fraction form
    11,791.24/16,272.70 = 7,009.92/x
  3. Step 3: Cross multiply
    11,791.24x = 16,272.70 × 7,009.92
  4. Step 4: Simplify right side
    11,791.24x = 114,070,325.18
  5. Step 5: Solve for x
    x = 114,070,325.18/11,791.24
  6. Step 6: Final answer
    x = 9,674.16

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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.