Home / 10,980.45-16,444.12-6,286.22

Finding the Fourth Proportional to 10,980.45, 16,444.12 and 6,286.22

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Solution

The fourth proportional to 10,980.45, 16,444.12 and 6,286.22 is: 9,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.45 : 16,444.12 = 6,286.22 : x
  2. Step 2: Convert to fraction form
    10,980.45/16,444.12 = 6,286.22/x
  3. Step 3: Cross multiply
    10,980.45x = 16,444.12 × 6,286.22
  4. Step 4: Simplify right side
    10,980.45x = 103,371,356.03
  5. Step 5: Solve for x
    x = 103,371,356.03/10,980.45
  6. Step 6: Final answer
    x = 9,414.13

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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.