Home / 10,367.86-15,551.82-4,131.28

Finding the Fourth Proportional to 10,367.86, 15,551.82 and 4,131.28

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Solution

The fourth proportional to 10,367.86, 15,551.82 and 4,131.28 is: 6,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.86 : 15,551.82 = 4,131.28 : x
  2. Step 2: Convert to fraction form
    10,367.86/15,551.82 = 4,131.28/x
  3. Step 3: Cross multiply
    10,367.86x = 15,551.82 × 4,131.28
  4. Step 4: Simplify right side
    10,367.86x = 64,248,922.93
  5. Step 5: Solve for x
    x = 64,248,922.93/10,367.86
  6. Step 6: Final answer
    x = 6,196.93

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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.