Home / 7,577.20-11,365.68-2,383.12

Finding the Fourth Proportional to 7,577.20, 11,365.68 and 2,383.12

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Solution

The fourth proportional to 7,577.20, 11,365.68 and 2,383.12 is: 3,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.20 : 11,365.68 = 2,383.12 : x
  2. Step 2: Convert to fraction form
    7,577.20/11,365.68 = 2,383.12/x
  3. Step 3: Cross multiply
    7,577.20x = 11,365.68 × 2,383.12
  4. Step 4: Simplify right side
    7,577.20x = 27,085,779.32
  5. Step 5: Solve for x
    x = 27,085,779.32/7,577.20
  6. Step 6: Final answer
    x = 3,574.64

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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.