Home / 11,397.06-17,090.11-5,388.13

Finding the Fourth Proportional to 11,397.06, 17,090.11 and 5,388.13

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Solution

The fourth proportional to 11,397.06, 17,090.11 and 5,388.13 is: 8,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.06 : 17,090.11 = 5,388.13 : x
  2. Step 2: Convert to fraction form
    11,397.06/17,090.11 = 5,388.13/x
  3. Step 3: Cross multiply
    11,397.06x = 17,090.11 × 5,388.13
  4. Step 4: Simplify right side
    11,397.06x = 92,083,622.00
  5. Step 5: Solve for x
    x = 92,083,622.00/11,397.06
  6. Step 6: Final answer
    x = 8,079.60

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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.