Home / 10,169.35-15,247.94-4,239.08

Finding the Fourth Proportional to 10,169.35, 15,247.94 and 4,239.08

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Solution

The fourth proportional to 10,169.35, 15,247.94 and 4,239.08 is: 6,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.35 : 15,247.94 = 4,239.08 : x
  2. Step 2: Convert to fraction form
    10,169.35/15,247.94 = 4,239.08/x
  3. Step 3: Cross multiply
    10,169.35x = 15,247.94 × 4,239.08
  4. Step 4: Simplify right side
    10,169.35x = 64,637,286.21
  5. Step 5: Solve for x
    x = 64,637,286.21/10,169.35
  6. Step 6: Final answer
    x = 6,356.09

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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.