Home / 6,947.40-9,586.79-4,114.26

Finding the Fourth Proportional to 6,947.40, 9,586.79 and 4,114.26

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Solution

The fourth proportional to 6,947.40, 9,586.79 and 4,114.26 is: 5,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.40 : 9,586.79 = 4,114.26 : x
  2. Step 2: Convert to fraction form
    6,947.40/9,586.79 = 4,114.26/x
  3. Step 3: Cross multiply
    6,947.40x = 9,586.79 × 4,114.26
  4. Step 4: Simplify right side
    6,947.40x = 39,442,546.63
  5. Step 5: Solve for x
    x = 39,442,546.63/6,947.40
  6. Step 6: Final answer
    x = 5,677.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.