Home / 10,857.33-16,285.69-4,614.21

Finding the Fourth Proportional to 10,857.33, 16,285.69 and 4,614.21

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Solution

The fourth proportional to 10,857.33, 16,285.69 and 4,614.21 is: 6,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.33 : 16,285.69 = 4,614.21 : x
  2. Step 2: Convert to fraction form
    10,857.33/16,285.69 = 4,614.21/x
  3. Step 3: Cross multiply
    10,857.33x = 16,285.69 × 4,614.21
  4. Step 4: Simplify right side
    10,857.33x = 75,145,599.42
  5. Step 5: Solve for x
    x = 75,145,599.42/10,857.33
  6. Step 6: Final answer
    x = 6,921.19

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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.