Home / 8,298.87-11,448.36-4,940.61

Finding the Fourth Proportional to 8,298.87, 11,448.36 and 4,940.61

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Solution

The fourth proportional to 8,298.87, 11,448.36 and 4,940.61 is: 6,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.87 : 11,448.36 = 4,940.61 : x
  2. Step 2: Convert to fraction form
    8,298.87/11,448.36 = 4,940.61/x
  3. Step 3: Cross multiply
    8,298.87x = 11,448.36 × 4,940.61
  4. Step 4: Simplify right side
    8,298.87x = 56,561,881.90
  5. Step 5: Solve for x
    x = 56,561,881.90/8,298.87
  6. Step 6: Final answer
    x = 6,815.61

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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.