Home / 11,510.10-17,266.02-3,190.02

Finding the Fourth Proportional to 11,510.10, 17,266.02 and 3,190.02

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Solution

The fourth proportional to 11,510.10, 17,266.02 and 3,190.02 is: 4,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.10 : 17,266.02 = 3,190.02 : x
  2. Step 2: Convert to fraction form
    11,510.10/17,266.02 = 3,190.02/x
  3. Step 3: Cross multiply
    11,510.10x = 17,266.02 × 3,190.02
  4. Step 4: Simplify right side
    11,510.10x = 55,078,949.12
  5. Step 5: Solve for x
    x = 55,078,949.12/11,510.10
  6. Step 6: Final answer
    x = 4,785.27

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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.