Home / 9,906.24-13,670.64-5,716.92

Finding the Fourth Proportional to 9,906.24, 13,670.64 and 5,716.92

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Solution

The fourth proportional to 9,906.24, 13,670.64 and 5,716.92 is: 7,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.24 : 13,670.64 = 5,716.92 : x
  2. Step 2: Convert to fraction form
    9,906.24/13,670.64 = 5,716.92/x
  3. Step 3: Cross multiply
    9,906.24x = 13,670.64 × 5,716.92
  4. Step 4: Simplify right side
    9,906.24x = 78,153,955.23
  5. Step 5: Solve for x
    x = 78,153,955.23/9,906.24
  6. Step 6: Final answer
    x = 7,889.37

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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.