Home / 7,912.66-10,921.62-4,926.74

Finding the Fourth Proportional to 7,912.66, 10,921.62 and 4,926.74

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Solution

The fourth proportional to 7,912.66, 10,921.62 and 4,926.74 is: 6,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.66 : 10,921.62 = 4,926.74 : x
  2. Step 2: Convert to fraction form
    7,912.66/10,921.62 = 4,926.74/x
  3. Step 3: Cross multiply
    7,912.66x = 10,921.62 × 4,926.74
  4. Step 4: Simplify right side
    7,912.66x = 53,807,982.12
  5. Step 5: Solve for x
    x = 53,807,982.12/7,912.66
  6. Step 6: Final answer
    x = 6,800.24

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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.