Home / 7,943.31-10,961.82-4,406.43

Finding the Fourth Proportional to 7,943.31, 10,961.82 and 4,406.43

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Solution

The fourth proportional to 7,943.31, 10,961.82 and 4,406.43 is: 6,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.31 : 10,961.82 = 4,406.43 : x
  2. Step 2: Convert to fraction form
    7,943.31/10,961.82 = 4,406.43/x
  3. Step 3: Cross multiply
    7,943.31x = 10,961.82 × 4,406.43
  4. Step 4: Simplify right side
    7,943.31x = 48,302,492.50
  5. Step 5: Solve for x
    x = 48,302,492.50/7,943.31
  6. Step 6: Final answer
    x = 6,080.90

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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.