Home / 10,744.20-16,116.30-6,359.40

Finding the Fourth Proportional to 10,744.20, 16,116.30 and 6,359.40

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Solution

The fourth proportional to 10,744.20, 16,116.30 and 6,359.40 is: 9,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.20 : 16,116.30 = 6,359.40 : x
  2. Step 2: Convert to fraction form
    10,744.20/16,116.30 = 6,359.40/x
  3. Step 3: Cross multiply
    10,744.20x = 16,116.30 × 6,359.40
  4. Step 4: Simplify right side
    10,744.20x = 102,489,998.22
  5. Step 5: Solve for x
    x = 102,489,998.22/10,744.20
  6. Step 6: Final answer
    x = 9,539.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.