Home / 7,569.20-11,358.26-3,186.32

Finding the Fourth Proportional to 7,569.20, 11,358.26 and 3,186.32

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Solution

The fourth proportional to 7,569.20, 11,358.26 and 3,186.32 is: 4,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.20 : 11,358.26 = 3,186.32 : x
  2. Step 2: Convert to fraction form
    7,569.20/11,358.26 = 3,186.32/x
  3. Step 3: Cross multiply
    7,569.20x = 11,358.26 × 3,186.32
  4. Step 4: Simplify right side
    7,569.20x = 36,191,051.00
  5. Step 5: Solve for x
    x = 36,191,051.00/7,569.20
  6. Step 6: Final answer
    x = 4,781.36

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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.