Home / 7,824.92-10,794.78-4,511

Finding the Fourth Proportional to 7,824.92, 10,794.78 and 4,511

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Solution

The fourth proportional to 7,824.92, 10,794.78 and 4,511 is: 6,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.92 : 10,794.78 = 4,511 : x
  2. Step 2: Convert to fraction form
    7,824.92/10,794.78 = 4,511/x
  3. Step 3: Cross multiply
    7,824.92x = 10,794.78 × 4,511
  4. Step 4: Simplify right side
    7,824.92x = 48,695,252.58
  5. Step 5: Solve for x
    x = 48,695,252.58/7,824.92
  6. Step 6: Final answer
    x = 6,223.10

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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.