Home / 7,961.12-10,986.23-4,376.23

Finding the Fourth Proportional to 7,961.12, 10,986.23 and 4,376.23

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Solution

The fourth proportional to 7,961.12, 10,986.23 and 4,376.23 is: 6,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.12 : 10,986.23 = 4,376.23 : x
  2. Step 2: Convert to fraction form
    7,961.12/10,986.23 = 4,376.23/x
  3. Step 3: Cross multiply
    7,961.12x = 10,986.23 × 4,376.23
  4. Step 4: Simplify right side
    7,961.12x = 48,078,252.79
  5. Step 5: Solve for x
    x = 48,078,252.79/7,961.12
  6. Step 6: Final answer
    x = 6,039.13

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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.