Home / 11,090.62-15,284.01-7,941.34

Finding the Fourth Proportional to 11,090.62, 15,284.01 and 7,941.34

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Solution

The fourth proportional to 11,090.62, 15,284.01 and 7,941.34 is: 10,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.62 : 15,284.01 = 7,941.34 : x
  2. Step 2: Convert to fraction form
    11,090.62/15,284.01 = 7,941.34/x
  3. Step 3: Cross multiply
    11,090.62x = 15,284.01 × 7,941.34
  4. Step 4: Simplify right side
    11,090.62x = 121,375,519.97
  5. Step 5: Solve for x
    x = 121,375,519.97/11,090.62
  6. Step 6: Final answer
    x = 10,943.98

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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.