Home / 7,577.27-11,365.87-3,412.40

Finding the Fourth Proportional to 7,577.27, 11,365.87 and 3,412.40

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Solution

The fourth proportional to 7,577.27, 11,365.87 and 3,412.40 is: 5,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.27 : 11,365.87 = 3,412.40 : x
  2. Step 2: Convert to fraction form
    7,577.27/11,365.87 = 3,412.40/x
  3. Step 3: Cross multiply
    7,577.27x = 11,365.87 × 3,412.40
  4. Step 4: Simplify right side
    7,577.27x = 38,784,837.96
  5. Step 5: Solve for x
    x = 38,784,837.96/7,577.27
  6. Step 6: Final answer
    x = 5,118.58

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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.