Home / 11,136.96-15,370.56-6,946.56

Finding the Fourth Proportional to 11,136.96, 15,370.56 and 6,946.56

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Solution

The fourth proportional to 11,136.96, 15,370.56 and 6,946.56 is: 9,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.96 : 15,370.56 = 6,946.56 : x
  2. Step 2: Convert to fraction form
    11,136.96/15,370.56 = 6,946.56/x
  3. Step 3: Cross multiply
    11,136.96x = 15,370.56 × 6,946.56
  4. Step 4: Simplify right side
    11,136.96x = 106,772,517.27
  5. Step 5: Solve for x
    x = 106,772,517.27/11,136.96
  6. Step 6: Final answer
    x = 9,587.22

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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.