Home / 11,208.28-15,467.43-6,240.28

Finding the Fourth Proportional to 11,208.28, 15,467.43 and 6,240.28

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Solution

The fourth proportional to 11,208.28, 15,467.43 and 6,240.28 is: 8,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.28 : 15,467.43 = 6,240.28 : x
  2. Step 2: Convert to fraction form
    11,208.28/15,467.43 = 6,240.28/x
  3. Step 3: Cross multiply
    11,208.28x = 15,467.43 × 6,240.28
  4. Step 4: Simplify right side
    11,208.28x = 96,521,113.41
  5. Step 5: Solve for x
    x = 96,521,113.41/11,208.28
  6. Step 6: Final answer
    x = 8,611.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.