Home / 9,965.93-13,753.57-5,716.96

Finding the Fourth Proportional to 9,965.93, 13,753.57 and 5,716.96

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Solution

The fourth proportional to 9,965.93, 13,753.57 and 5,716.96 is: 7,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.93 : 13,753.57 = 5,716.96 : x
  2. Step 2: Convert to fraction form
    9,965.93/13,753.57 = 5,716.96/x
  3. Step 3: Cross multiply
    9,965.93x = 13,753.57 × 5,716.96
  4. Step 4: Simplify right side
    9,965.93x = 78,628,623.84
  5. Step 5: Solve for x
    x = 78,628,623.84/9,965.93
  6. Step 6: Final answer
    x = 7,889.74

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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.