Home / 11,442.25-15,790.55-6,474.25

Finding the Fourth Proportional to 11,442.25, 15,790.55 and 6,474.25

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Solution

The fourth proportional to 11,442.25, 15,790.55 and 6,474.25 is: 8,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.25 : 15,790.55 = 6,474.25 : x
  2. Step 2: Convert to fraction form
    11,442.25/15,790.55 = 6,474.25/x
  3. Step 3: Cross multiply
    11,442.25x = 15,790.55 × 6,474.25
  4. Step 4: Simplify right side
    11,442.25x = 102,231,935.97
  5. Step 5: Solve for x
    x = 102,231,935.97/11,442.25
  6. Step 6: Final answer
    x = 8,934.60

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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.