Home / 9,667.55-13,341.22-5,475.80

Finding the Fourth Proportional to 9,667.55, 13,341.22 and 5,475.80

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Solution

The fourth proportional to 9,667.55, 13,341.22 and 5,475.80 is: 7,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667.55 : 13,341.22 = 5,475.80 : x
  2. Step 2: Convert to fraction form
    9,667.55/13,341.22 = 5,475.80/x
  3. Step 3: Cross multiply
    9,667.55x = 13,341.22 × 5,475.80
  4. Step 4: Simplify right side
    9,667.55x = 73,053,872.14
  5. Step 5: Solve for x
    x = 73,053,872.14/9,667.55
  6. Step 6: Final answer
    x = 7,556.60

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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.