Home / 6,947.28-10,421.92-2,016.94

Finding the Fourth Proportional to 6,947.28, 10,421.92 and 2,016.94

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Solution

The fourth proportional to 6,947.28, 10,421.92 and 2,016.94 is: 3,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.28 : 10,421.92 = 2,016.94 : x
  2. Step 2: Convert to fraction form
    6,947.28/10,421.92 = 2,016.94/x
  3. Step 3: Cross multiply
    6,947.28x = 10,421.92 × 2,016.94
  4. Step 4: Simplify right side
    6,947.28x = 21,020,387.32
  5. Step 5: Solve for x
    x = 21,020,387.32/6,947.28
  6. Step 6: Final answer
    x = 3,025.70

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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.