Home / 7,104.11-9,799.58-5,112.11

Finding the Fourth Proportional to 7,104.11, 9,799.58 and 5,112.11

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Solution

The fourth proportional to 7,104.11, 9,799.58 and 5,112.11 is: 7,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.11 : 9,799.58 = 5,112.11 : x
  2. Step 2: Convert to fraction form
    7,104.11/9,799.58 = 5,112.11/x
  3. Step 3: Cross multiply
    7,104.11x = 9,799.58 × 5,112.11
  4. Step 4: Simplify right side
    7,104.11x = 50,096,568.19
  5. Step 5: Solve for x
    x = 50,096,568.19/7,104.11
  6. Step 6: Final answer
    x = 7,051.78

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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.