Home / 11,369.91-15,690.96-6,334.13

Finding the Fourth Proportional to 11,369.91, 15,690.96 and 6,334.13

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Solution

The fourth proportional to 11,369.91, 15,690.96 and 6,334.13 is: 8,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.91 : 15,690.96 = 6,334.13 : x
  2. Step 2: Convert to fraction form
    11,369.91/15,690.96 = 6,334.13/x
  3. Step 3: Cross multiply
    11,369.91x = 15,690.96 × 6,334.13
  4. Step 4: Simplify right side
    11,369.91x = 99,388,502.01
  5. Step 5: Solve for x
    x = 99,388,502.01/11,369.91
  6. Step 6: Final answer
    x = 8,741.36

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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.