Home / 10,342.35-15,488.73-5,655.33

Finding the Fourth Proportional to 10,342.35, 15,488.73 and 5,655.33

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Solution

The fourth proportional to 10,342.35, 15,488.73 and 5,655.33 is: 8,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.35 : 15,488.73 = 5,655.33 : x
  2. Step 2: Convert to fraction form
    10,342.35/15,488.73 = 5,655.33/x
  3. Step 3: Cross multiply
    10,342.35x = 15,488.73 × 5,655.33
  4. Step 4: Simplify right side
    10,342.35x = 87,593,879.43
  5. Step 5: Solve for x
    x = 87,593,879.43/10,342.35
  6. Step 6: Final answer
    x = 8,469.44

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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.