Home / 10,147.63-13,994.66-6,371.15

Finding the Fourth Proportional to 10,147.63, 13,994.66 and 6,371.15

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Solution

The fourth proportional to 10,147.63, 13,994.66 and 6,371.15 is: 8,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.63 : 13,994.66 = 6,371.15 : x
  2. Step 2: Convert to fraction form
    10,147.63/13,994.66 = 6,371.15/x
  3. Step 3: Cross multiply
    10,147.63x = 13,994.66 × 6,371.15
  4. Step 4: Simplify right side
    10,147.63x = 89,161,988.18
  5. Step 5: Solve for x
    x = 89,161,988.18/10,147.63
  6. Step 6: Final answer
    x = 8,786.49

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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.