Home / 6,981.52-10,479.74-2,824.25

Finding the Fourth Proportional to 6,981.52, 10,479.74 and 2,824.25

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Solution

The fourth proportional to 6,981.52, 10,479.74 and 2,824.25 is: 4,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.52 : 10,479.74 = 2,824.25 : x
  2. Step 2: Convert to fraction form
    6,981.52/10,479.74 = 2,824.25/x
  3. Step 3: Cross multiply
    6,981.52x = 10,479.74 × 2,824.25
  4. Step 4: Simplify right side
    6,981.52x = 29,597,392.48
  5. Step 5: Solve for x
    x = 29,597,392.48/6,981.52
  6. Step 6: Final answer
    x = 4,239.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.