Home / 7,928.97-10,942.04-4,392.24

Finding the Fourth Proportional to 7,928.97, 10,942.04 and 4,392.24

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Solution

The fourth proportional to 7,928.97, 10,942.04 and 4,392.24 is: 6,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.97 : 10,942.04 = 4,392.24 : x
  2. Step 2: Convert to fraction form
    7,928.97/10,942.04 = 4,392.24/x
  3. Step 3: Cross multiply
    7,928.97x = 10,942.04 × 4,392.24
  4. Step 4: Simplify right side
    7,928.97x = 48,060,043.81
  5. Step 5: Solve for x
    x = 48,060,043.81/7,928.97
  6. Step 6: Final answer
    x = 6,061.32

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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.