Home / 6,947.09-10,420.67-2,016.75

Finding the Fourth Proportional to 6,947.09, 10,420.67 and 2,016.75

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Solution

The fourth proportional to 6,947.09, 10,420.67 and 2,016.75 is: 3,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.09 : 10,420.67 = 2,016.75 : x
  2. Step 2: Convert to fraction form
    6,947.09/10,420.67 = 2,016.75/x
  3. Step 3: Cross multiply
    6,947.09x = 10,420.67 × 2,016.75
  4. Step 4: Simplify right side
    6,947.09x = 21,015,886.22
  5. Step 5: Solve for x
    x = 21,015,886.22/6,947.09
  6. Step 6: Final answer
    x = 3,025.14

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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.