Home / 10,855.10-16,283.44-4,614.40

Finding the Fourth Proportional to 10,855.10, 16,283.44 and 4,614.40

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Solution

The fourth proportional to 10,855.10, 16,283.44 and 4,614.40 is: 6,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.10 : 16,283.44 = 4,614.40 : x
  2. Step 2: Convert to fraction form
    10,855.10/16,283.44 = 4,614.40/x
  3. Step 3: Cross multiply
    10,855.10x = 16,283.44 × 4,614.40
  4. Step 4: Simplify right side
    10,855.10x = 75,138,305.54
  5. Step 5: Solve for x
    x = 75,138,305.54/10,855.10
  6. Step 6: Final answer
    x = 6,921.94

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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.