Home / 11,914.87-16,442.55-6,609.58

Finding the Fourth Proportional to 11,914.87, 16,442.55 and 6,609.58

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Solution

The fourth proportional to 11,914.87, 16,442.55 and 6,609.58 is: 9,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.87 : 16,442.55 = 6,609.58 : x
  2. Step 2: Convert to fraction form
    11,914.87/16,442.55 = 6,609.58/x
  3. Step 3: Cross multiply
    11,914.87x = 16,442.55 × 6,609.58
  4. Step 4: Simplify right side
    11,914.87x = 108,678,349.63
  5. Step 5: Solve for x
    x = 108,678,349.63/11,914.87
  6. Step 6: Final answer
    x = 9,121.24

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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.