Home / 11,848.62-16,334.78-8,615.28

Finding the Fourth Proportional to 11,848.62, 16,334.78 and 8,615.28

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Solution

The fourth proportional to 11,848.62, 16,334.78 and 8,615.28 is: 11,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.62 : 16,334.78 = 8,615.28 : x
  2. Step 2: Convert to fraction form
    11,848.62/16,334.78 = 8,615.28/x
  3. Step 3: Cross multiply
    11,848.62x = 16,334.78 × 8,615.28
  4. Step 4: Simplify right side
    11,848.62x = 140,728,703.44
  5. Step 5: Solve for x
    x = 140,728,703.44/11,848.62
  6. Step 6: Final answer
    x = 11,877.22

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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.