Home / 11,136.12-15,363.57-6,356.34

Finding the Fourth Proportional to 11,136.12, 15,363.57 and 6,356.34

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Solution

The fourth proportional to 11,136.12, 15,363.57 and 6,356.34 is: 8,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.12 : 15,363.57 = 6,356.34 : x
  2. Step 2: Convert to fraction form
    11,136.12/15,363.57 = 6,356.34/x
  3. Step 3: Cross multiply
    11,136.12x = 15,363.57 × 6,356.34
  4. Step 4: Simplify right side
    11,136.12x = 97,656,074.53
  5. Step 5: Solve for x
    x = 97,656,074.53/11,136.12
  6. Step 6: Final answer
    x = 8,769.31

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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.