Home / 7,259.13-10,017.60-3,947.13

Finding the Fourth Proportional to 7,259.13, 10,017.60 and 3,947.13

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Solution

The fourth proportional to 7,259.13, 10,017.60 and 3,947.13 is: 5,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.13 : 10,017.60 = 3,947.13 : x
  2. Step 2: Convert to fraction form
    7,259.13/10,017.60 = 3,947.13/x
  3. Step 3: Cross multiply
    7,259.13x = 10,017.60 × 3,947.13
  4. Step 4: Simplify right side
    7,259.13x = 39,540,769.49
  5. Step 5: Solve for x
    x = 39,540,769.49/7,259.13
  6. Step 6: Final answer
    x = 5,447.04

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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.