Home / 7,922.92-10,928.84-5,089.34

Finding the Fourth Proportional to 7,922.92, 10,928.84 and 5,089.34

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Solution

The fourth proportional to 7,922.92, 10,928.84 and 5,089.34 is: 7,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.92 : 10,928.84 = 5,089.34 : x
  2. Step 2: Convert to fraction form
    7,922.92/10,928.84 = 5,089.34/x
  3. Step 3: Cross multiply
    7,922.92x = 10,928.84 × 5,089.34
  4. Step 4: Simplify right side
    7,922.92x = 55,620,582.57
  5. Step 5: Solve for x
    x = 55,620,582.57/7,922.92
  6. Step 6: Final answer
    x = 7,020.21

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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.