Home / 11,615.11-17,398.56-5,674.06

Finding the Fourth Proportional to 11,615.11, 17,398.56 and 5,674.06

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Solution

The fourth proportional to 11,615.11, 17,398.56 and 5,674.06 is: 8,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.11 : 17,398.56 = 5,674.06 : x
  2. Step 2: Convert to fraction form
    11,615.11/17,398.56 = 5,674.06/x
  3. Step 3: Cross multiply
    11,615.11x = 17,398.56 × 5,674.06
  4. Step 4: Simplify right side
    11,615.11x = 98,720,516.38
  5. Step 5: Solve for x
    x = 98,720,516.38/11,615.11
  6. Step 6: Final answer
    x = 8,499.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.