Home / 6,972.12-10,460.79-4,200.75

Finding the Fourth Proportional to 6,972.12, 10,460.79 and 4,200.75

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Solution

The fourth proportional to 6,972.12, 10,460.79 and 4,200.75 is: 6,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.12 : 10,460.79 = 4,200.75 : x
  2. Step 2: Convert to fraction form
    6,972.12/10,460.79 = 4,200.75/x
  3. Step 3: Cross multiply
    6,972.12x = 10,460.79 × 4,200.75
  4. Step 4: Simplify right side
    6,972.12x = 43,943,163.59
  5. Step 5: Solve for x
    x = 43,943,163.59/6,972.12
  6. Step 6: Final answer
    x = 6,302.70

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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.