Home / 7,921.92-10,924.32-5,269.44

Finding the Fourth Proportional to 7,921.92, 10,924.32 and 5,269.44

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Solution

The fourth proportional to 7,921.92, 10,924.32 and 5,269.44 is: 7,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.92 : 10,924.32 = 5,269.44 : x
  2. Step 2: Convert to fraction form
    7,921.92/10,924.32 = 5,269.44/x
  3. Step 3: Cross multiply
    7,921.92x = 10,924.32 × 5,269.44
  4. Step 4: Simplify right side
    7,921.92x = 57,565,048.78
  5. Step 5: Solve for x
    x = 57,565,048.78/7,921.92
  6. Step 6: Final answer
    x = 7,266.55

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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.