Home / 7,961.27-10,986.28-4,424.25

Finding the Fourth Proportional to 7,961.27, 10,986.28 and 4,424.25

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Solution

The fourth proportional to 7,961.27, 10,986.28 and 4,424.25 is: 6,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.27 : 10,986.28 = 4,424.25 : x
  2. Step 2: Convert to fraction form
    7,961.27/10,986.28 = 4,424.25/x
  3. Step 3: Cross multiply
    7,961.27x = 10,986.28 × 4,424.25
  4. Step 4: Simplify right side
    7,961.27x = 48,606,038.23
  5. Step 5: Solve for x
    x = 48,606,038.23/7,961.27
  6. Step 6: Final answer
    x = 6,105.31

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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.