Home / 11,693.53-16,137.17-6,388.35

Finding the Fourth Proportional to 11,693.53, 16,137.17 and 6,388.35

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Solution

The fourth proportional to 11,693.53, 16,137.17 and 6,388.35 is: 8,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.53 : 16,137.17 = 6,388.35 : x
  2. Step 2: Convert to fraction form
    11,693.53/16,137.17 = 6,388.35/x
  3. Step 3: Cross multiply
    11,693.53x = 16,137.17 × 6,388.35
  4. Step 4: Simplify right side
    11,693.53x = 103,089,948.18
  5. Step 5: Solve for x
    x = 103,089,948.18/11,693.53
  6. Step 6: Final answer
    x = 8,815.98

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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.