Home / 9,147.79-13,722.50-2,574.03

Finding the Fourth Proportional to 9,147.79, 13,722.50 and 2,574.03

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Solution

The fourth proportional to 9,147.79, 13,722.50 and 2,574.03 is: 3,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.79 : 13,722.50 = 2,574.03 : x
  2. Step 2: Convert to fraction form
    9,147.79/13,722.50 = 2,574.03/x
  3. Step 3: Cross multiply
    9,147.79x = 13,722.50 × 2,574.03
  4. Step 4: Simplify right side
    9,147.79x = 35,322,126.68
  5. Step 5: Solve for x
    x = 35,322,126.68/9,147.79
  6. Step 6: Final answer
    x = 3,861.27

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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.