Home / 6,869.52-10,278.75-4,097.70

Finding the Fourth Proportional to 6,869.52, 10,278.75 and 4,097.70

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Solution

The fourth proportional to 6,869.52, 10,278.75 and 4,097.70 is: 6,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.52 : 10,278.75 = 4,097.70 : x
  2. Step 2: Convert to fraction form
    6,869.52/10,278.75 = 4,097.70/x
  3. Step 3: Cross multiply
    6,869.52x = 10,278.75 × 4,097.70
  4. Step 4: Simplify right side
    6,869.52x = 42,119,233.88
  5. Step 5: Solve for x
    x = 42,119,233.88/6,869.52
  6. Step 6: Final answer
    x = 6,131.32

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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.