Home / 10,963.20-16,444.80-4,394.10

Finding the Fourth Proportional to 10,963.20, 16,444.80 and 4,394.10

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Solution

The fourth proportional to 10,963.20, 16,444.80 and 4,394.10 is: 6,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.20 : 16,444.80 = 4,394.10 : x
  2. Step 2: Convert to fraction form
    10,963.20/16,444.80 = 4,394.10/x
  3. Step 3: Cross multiply
    10,963.20x = 16,444.80 × 4,394.10
  4. Step 4: Simplify right side
    10,963.20x = 72,260,095.68
  5. Step 5: Solve for x
    x = 72,260,095.68/10,963.20
  6. Step 6: Final answer
    x = 6,591.15

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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.