Home / 7,731.11-10,664.94-4,893.68

Finding the Fourth Proportional to 7,731.11, 10,664.94 and 4,893.68

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Solution

The fourth proportional to 7,731.11, 10,664.94 and 4,893.68 is: 6,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.11 : 10,664.94 = 4,893.68 : x
  2. Step 2: Convert to fraction form
    7,731.11/10,664.94 = 4,893.68/x
  3. Step 3: Cross multiply
    7,731.11x = 10,664.94 × 4,893.68
  4. Step 4: Simplify right side
    7,731.11x = 52,190,803.58
  5. Step 5: Solve for x
    x = 52,190,803.58/7,731.11
  6. Step 6: Final answer
    x = 6,750.75

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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.