Home / 7,564.80-11,335.68-3,667.20

Finding the Fourth Proportional to 7,564.80, 11,335.68 and 3,667.20

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Solution

The fourth proportional to 7,564.80, 11,335.68 and 3,667.20 is: 5,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.80 : 11,335.68 = 3,667.20 : x
  2. Step 2: Convert to fraction form
    7,564.80/11,335.68 = 3,667.20/x
  3. Step 3: Cross multiply
    7,564.80x = 11,335.68 × 3,667.20
  4. Step 4: Simplify right side
    7,564.80x = 41,570,205.70
  5. Step 5: Solve for x
    x = 41,570,205.70/7,564.80
  6. Step 6: Final answer
    x = 5,495.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.