Home / 10,342.70-15,514.05-5,895.80

Finding the Fourth Proportional to 10,342.70, 15,514.05 and 5,895.80

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Solution

The fourth proportional to 10,342.70, 15,514.05 and 5,895.80 is: 8,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.70 : 15,514.05 = 5,895.80 : x
  2. Step 2: Convert to fraction form
    10,342.70/15,514.05 = 5,895.80/x
  3. Step 3: Cross multiply
    10,342.70x = 15,514.05 × 5,895.80
  4. Step 4: Simplify right side
    10,342.70x = 91,467,735.99
  5. Step 5: Solve for x
    x = 91,467,735.99/10,342.70
  6. Step 6: Final answer
    x = 8,843.70

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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.