Home / 11,269.06-15,541.83-8,443.06

Finding the Fourth Proportional to 11,269.06, 15,541.83 and 8,443.06

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Solution

The fourth proportional to 11,269.06, 15,541.83 and 8,443.06 is: 11,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.06 : 15,541.83 = 8,443.06 : x
  2. Step 2: Convert to fraction form
    11,269.06/15,541.83 = 8,443.06/x
  3. Step 3: Cross multiply
    11,269.06x = 15,541.83 × 8,443.06
  4. Step 4: Simplify right side
    11,269.06x = 131,220,603.20
  5. Step 5: Solve for x
    x = 131,220,603.20/11,269.06
  6. Step 6: Final answer
    x = 11,644.33

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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.