Home / 6,800.51-10,178.89-3,509.08

Finding the Fourth Proportional to 6,800.51, 10,178.89 and 3,509.08

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Solution

The fourth proportional to 6,800.51, 10,178.89 and 3,509.08 is: 5,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.51 : 10,178.89 = 3,509.08 : x
  2. Step 2: Convert to fraction form
    6,800.51/10,178.89 = 3,509.08/x
  3. Step 3: Cross multiply
    6,800.51x = 10,178.89 × 3,509.08
  4. Step 4: Simplify right side
    6,800.51x = 35,718,505.10
  5. Step 5: Solve for x
    x = 35,718,505.10/6,800.51
  6. Step 6: Final answer
    x = 5,252.33

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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.