Home / 11,974.36-16,534.31-7,727.53

Finding the Fourth Proportional to 11,974.36, 16,534.31 and 7,727.53

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Solution

The fourth proportional to 11,974.36, 16,534.31 and 7,727.53 is: 10,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.36 : 16,534.31 = 7,727.53 : x
  2. Step 2: Convert to fraction form
    11,974.36/16,534.31 = 7,727.53/x
  3. Step 3: Cross multiply
    11,974.36x = 16,534.31 × 7,727.53
  4. Step 4: Simplify right side
    11,974.36x = 127,769,255.25
  5. Step 5: Solve for x
    x = 127,769,255.25/11,974.36
  6. Step 6: Final answer
    x = 10,670.24

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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.