Home / 11,442.40-17,163.60-4,047.12

Finding the Fourth Proportional to 11,442.40, 17,163.60 and 4,047.12

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Solution

The fourth proportional to 11,442.40, 17,163.60 and 4,047.12 is: 6,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.40 : 17,163.60 = 4,047.12 : x
  2. Step 2: Convert to fraction form
    11,442.40/17,163.60 = 4,047.12/x
  3. Step 3: Cross multiply
    11,442.40x = 17,163.60 × 4,047.12
  4. Step 4: Simplify right side
    11,442.40x = 69,463,148.83
  5. Step 5: Solve for x
    x = 69,463,148.83/11,442.40
  6. Step 6: Final answer
    x = 6,070.68

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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.