Home / 9,667.28-13,340.40-5,475.56

Finding the Fourth Proportional to 9,667.28, 13,340.40 and 5,475.56

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Solution

The fourth proportional to 9,667.28, 13,340.40 and 5,475.56 is: 7,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667.28 : 13,340.40 = 5,475.56 : x
  2. Step 2: Convert to fraction form
    9,667.28/13,340.40 = 5,475.56/x
  3. Step 3: Cross multiply
    9,667.28x = 13,340.40 × 5,475.56
  4. Step 4: Simplify right side
    9,667.28x = 73,046,160.62
  5. Step 5: Solve for x
    x = 73,046,160.62/9,667.28
  6. Step 6: Final answer
    x = 7,556.02

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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.