Home / 7,961.49-10,986.52-4,424.94

Finding the Fourth Proportional to 7,961.49, 10,986.52 and 4,424.94

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Solution

The fourth proportional to 7,961.49, 10,986.52 and 4,424.94 is: 6,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.49 : 10,986.52 = 4,424.94 : x
  2. Step 2: Convert to fraction form
    7,961.49/10,986.52 = 4,424.94/x
  3. Step 3: Cross multiply
    7,961.49x = 10,986.52 × 4,424.94
  4. Step 4: Simplify right side
    7,961.49x = 48,614,691.81
  5. Step 5: Solve for x
    x = 48,614,691.81/7,961.49
  6. Step 6: Final answer
    x = 6,106.23

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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.