Home / 7,575.96-11,278.59-7,539.24

Finding the Fourth Proportional to 7,575.96, 11,278.59 and 7,539.24

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Solution

The fourth proportional to 7,575.96, 11,278.59 and 7,539.24 is: 11,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.96 : 11,278.59 = 7,539.24 : x
  2. Step 2: Convert to fraction form
    7,575.96/11,278.59 = 7,539.24/x
  3. Step 3: Cross multiply
    7,575.96x = 11,278.59 × 7,539.24
  4. Step 4: Simplify right side
    7,575.96x = 85,031,996.87
  5. Step 5: Solve for x
    x = 85,031,996.87/7,575.96
  6. Step 6: Final answer
    x = 11,223.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.