Home / 9,743.20-13,445.43-5,494.19

Finding the Fourth Proportional to 9,743.20, 13,445.43 and 5,494.19

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Solution

The fourth proportional to 9,743.20, 13,445.43 and 5,494.19 is: 7,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743.20 : 13,445.43 = 5,494.19 : x
  2. Step 2: Convert to fraction form
    9,743.20/13,445.43 = 5,494.19/x
  3. Step 3: Cross multiply
    9,743.20x = 13,445.43 × 5,494.19
  4. Step 4: Simplify right side
    9,743.20x = 73,871,794.40
  5. Step 5: Solve for x
    x = 73,871,794.40/9,743.20
  6. Step 6: Final answer
    x = 7,581.88

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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.