Home / 11,396.19-15,727.60-6,360.62

Finding the Fourth Proportional to 11,396.19, 15,727.60 and 6,360.62

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Solution

The fourth proportional to 11,396.19, 15,727.60 and 6,360.62 is: 8,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.19 : 15,727.60 = 6,360.62 : x
  2. Step 2: Convert to fraction form
    11,396.19/15,727.60 = 6,360.62/x
  3. Step 3: Cross multiply
    11,396.19x = 15,727.60 × 6,360.62
  4. Step 4: Simplify right side
    11,396.19x = 100,037,287.11
  5. Step 5: Solve for x
    x = 100,037,287.11/11,396.19
  6. Step 6: Final answer
    x = 8,778.13

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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.