Home / 9,981.44-13,774.48-5,505.34

Finding the Fourth Proportional to 9,981.44, 13,774.48 and 5,505.34

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Solution

The fourth proportional to 9,981.44, 13,774.48 and 5,505.34 is: 7,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.44 : 13,774.48 = 5,505.34 : x
  2. Step 2: Convert to fraction form
    9,981.44/13,774.48 = 5,505.34/x
  3. Step 3: Cross multiply
    9,981.44x = 13,774.48 × 5,505.34
  4. Step 4: Simplify right side
    9,981.44x = 75,833,195.72
  5. Step 5: Solve for x
    x = 75,833,195.72/9,981.44
  6. Step 6: Final answer
    x = 7,597.42

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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.