Home / 6,887.94-10,319.13-5,039.88

Finding the Fourth Proportional to 6,887.94, 10,319.13 and 5,039.88

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Solution

The fourth proportional to 6,887.94, 10,319.13 and 5,039.88 is: 7,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.94 : 10,319.13 = 5,039.88 : x
  2. Step 2: Convert to fraction form
    6,887.94/10,319.13 = 5,039.88/x
  3. Step 3: Cross multiply
    6,887.94x = 10,319.13 × 5,039.88
  4. Step 4: Simplify right side
    6,887.94x = 52,007,176.90
  5. Step 5: Solve for x
    x = 52,007,176.90/6,887.94
  6. Step 6: Final answer
    x = 7,550.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.