Home / 10,716.41-14,789.91-5,999.78

Finding the Fourth Proportional to 10,716.41, 14,789.91 and 5,999.78

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Solution

The fourth proportional to 10,716.41, 14,789.91 and 5,999.78 is: 8,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.41 : 14,789.91 = 5,999.78 : x
  2. Step 2: Convert to fraction form
    10,716.41/14,789.91 = 5,999.78/x
  3. Step 3: Cross multiply
    10,716.41x = 14,789.91 × 5,999.78
  4. Step 4: Simplify right side
    10,716.41x = 88,736,206.22
  5. Step 5: Solve for x
    x = 88,736,206.22/10,716.41
  6. Step 6: Final answer
    x = 8,280.40

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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.