Home / 9,912.08-13,678.86-5,933.36

Finding the Fourth Proportional to 9,912.08, 13,678.86 and 5,933.36

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Solution

The fourth proportional to 9,912.08, 13,678.86 and 5,933.36 is: 8,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.08 : 13,678.86 = 5,933.36 : x
  2. Step 2: Convert to fraction form
    9,912.08/13,678.86 = 5,933.36/x
  3. Step 3: Cross multiply
    9,912.08x = 13,678.86 × 5,933.36
  4. Step 4: Simplify right side
    9,912.08x = 81,161,600.77
  5. Step 5: Solve for x
    x = 81,161,600.77/9,912.08
  6. Step 6: Final answer
    x = 8,188.15

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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.