Home / 7,573.78-11,360.12-2,381.14

Finding the Fourth Proportional to 7,573.78, 11,360.12 and 2,381.14

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Solution

The fourth proportional to 7,573.78, 11,360.12 and 2,381.14 is: 3,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.78 : 11,360.12 = 2,381.14 : x
  2. Step 2: Convert to fraction form
    7,573.78/11,360.12 = 2,381.14/x
  3. Step 3: Cross multiply
    7,573.78x = 11,360.12 × 2,381.14
  4. Step 4: Simplify right side
    7,573.78x = 27,049,979.34
  5. Step 5: Solve for x
    x = 27,049,979.34/7,573.78
  6. Step 6: Final answer
    x = 3,571.53

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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.