Home / 7,943.32-10,961.84-4,406.56

Finding the Fourth Proportional to 7,943.32, 10,961.84 and 4,406.56

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Solution

The fourth proportional to 7,943.32, 10,961.84 and 4,406.56 is: 6,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.32 : 10,961.84 = 4,406.56 : x
  2. Step 2: Convert to fraction form
    7,943.32/10,961.84 = 4,406.56/x
  3. Step 3: Cross multiply
    7,943.32x = 10,961.84 × 4,406.56
  4. Step 4: Simplify right side
    7,943.32x = 48,304,005.67
  5. Step 5: Solve for x
    x = 48,304,005.67/7,943.32
  6. Step 6: Final answer
    x = 6,081.09

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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.