Home / 11,371.14-15,690.30-6,334.22

Finding the Fourth Proportional to 11,371.14, 15,690.30 and 6,334.22

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Solution

The fourth proportional to 11,371.14, 15,690.30 and 6,334.22 is: 8,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.14 : 15,690.30 = 6,334.22 : x
  2. Step 2: Convert to fraction form
    11,371.14/15,690.30 = 6,334.22/x
  3. Step 3: Cross multiply
    11,371.14x = 15,690.30 × 6,334.22
  4. Step 4: Simplify right side
    11,371.14x = 99,385,812.07
  5. Step 5: Solve for x
    x = 99,385,812.07/11,371.14
  6. Step 6: Final answer
    x = 8,740.18

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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.