Home / 10,081.95-13,912.96-5,605.54

Finding the Fourth Proportional to 10,081.95, 13,912.96 and 5,605.54

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Solution

The fourth proportional to 10,081.95, 13,912.96 and 5,605.54 is: 7,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.95 : 13,912.96 = 5,605.54 : x
  2. Step 2: Convert to fraction form
    10,081.95/13,912.96 = 5,605.54/x
  3. Step 3: Cross multiply
    10,081.95x = 13,912.96 × 5,605.54
  4. Step 4: Simplify right side
    10,081.95x = 77,989,653.80
  5. Step 5: Solve for x
    x = 77,989,653.80/10,081.95
  6. Step 6: Final answer
    x = 7,735.57

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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.