Home / 11,349.72-15,662.70-6,314.04

Finding the Fourth Proportional to 11,349.72, 15,662.70 and 6,314.04

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Solution

The fourth proportional to 11,349.72, 15,662.70 and 6,314.04 is: 8,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.72 : 15,662.70 = 6,314.04 : x
  2. Step 2: Convert to fraction form
    11,349.72/15,662.70 = 6,314.04/x
  3. Step 3: Cross multiply
    11,349.72x = 15,662.70 × 6,314.04
  4. Step 4: Simplify right side
    11,349.72x = 98,894,914.31
  5. Step 5: Solve for x
    x = 98,894,914.31/11,349.72
  6. Step 6: Final answer
    x = 8,713.42

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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.