Home / 11,369.88-15,690.42-6,334.07

Finding the Fourth Proportional to 11,369.88, 15,690.42 and 6,334.07

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Solution

The fourth proportional to 11,369.88, 15,690.42 and 6,334.07 is: 8,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.88 : 15,690.42 = 6,334.07 : x
  2. Step 2: Convert to fraction form
    11,369.88/15,690.42 = 6,334.07/x
  3. Step 3: Cross multiply
    11,369.88x = 15,690.42 × 6,334.07
  4. Step 4: Simplify right side
    11,369.88x = 99,384,140.16
  5. Step 5: Solve for x
    x = 99,384,140.16/11,369.88
  6. Step 6: Final answer
    x = 8,741.00

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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.