Home / 11,723.76-17,573.40-5,144.40

Finding the Fourth Proportional to 11,723.76, 17,573.40 and 5,144.40

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Solution

The fourth proportional to 11,723.76, 17,573.40 and 5,144.40 is: 7,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.76 : 17,573.40 = 5,144.40 : x
  2. Step 2: Convert to fraction form
    11,723.76/17,573.40 = 5,144.40/x
  3. Step 3: Cross multiply
    11,723.76x = 17,573.40 × 5,144.40
  4. Step 4: Simplify right side
    11,723.76x = 90,404,598.96
  5. Step 5: Solve for x
    x = 90,404,598.96/11,723.76
  6. Step 6: Final answer
    x = 7,711.23

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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.