Home / 9,927.11-13,699.42-5,735.36

Finding the Fourth Proportional to 9,927.11, 13,699.42 and 5,735.36

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Solution

The fourth proportional to 9,927.11, 13,699.42 and 5,735.36 is: 7,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.11 : 13,699.42 = 5,735.36 : x
  2. Step 2: Convert to fraction form
    9,927.11/13,699.42 = 5,735.36/x
  3. Step 3: Cross multiply
    9,927.11x = 13,699.42 × 5,735.36
  4. Step 4: Simplify right side
    9,927.11x = 78,571,105.49
  5. Step 5: Solve for x
    x = 78,571,105.49/9,927.11
  6. Step 6: Final answer
    x = 7,914.80

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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.