Home / 10,140.06-13,993.53-6,363.39

Finding the Fourth Proportional to 10,140.06, 13,993.53 and 6,363.39

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Solution

The fourth proportional to 10,140.06, 13,993.53 and 6,363.39 is: 8,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.06 : 13,993.53 = 6,363.39 : x
  2. Step 2: Convert to fraction form
    10,140.06/13,993.53 = 6,363.39/x
  3. Step 3: Cross multiply
    10,140.06x = 13,993.53 × 6,363.39
  4. Step 4: Simplify right side
    10,140.06x = 89,046,288.87
  5. Step 5: Solve for x
    x = 89,046,288.87/10,140.06
  6. Step 6: Final answer
    x = 8,781.63

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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.