Home / 8,192.81-11,294.61-6,928.77

Finding the Fourth Proportional to 8,192.81, 11,294.61 and 6,928.77

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Solution

The fourth proportional to 8,192.81, 11,294.61 and 6,928.77 is: 9,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.81 : 11,294.61 = 6,928.77 : x
  2. Step 2: Convert to fraction form
    8,192.81/11,294.61 = 6,928.77/x
  3. Step 3: Cross multiply
    8,192.81x = 11,294.61 × 6,928.77
  4. Step 4: Simplify right side
    8,192.81x = 78,257,754.93
  5. Step 5: Solve for x
    x = 78,257,754.93/8,192.81
  6. Step 6: Final answer
    x = 9,552.01

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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.