Home / 9,247.09-12,763.36-5,708.27

Finding the Fourth Proportional to 9,247.09, 12,763.36 and 5,708.27

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Solution

The fourth proportional to 9,247.09, 12,763.36 and 5,708.27 is: 7,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.09 : 12,763.36 = 5,708.27 : x
  2. Step 2: Convert to fraction form
    9,247.09/12,763.36 = 5,708.27/x
  3. Step 3: Cross multiply
    9,247.09x = 12,763.36 × 5,708.27
  4. Step 4: Simplify right side
    9,247.09x = 72,856,704.99
  5. Step 5: Solve for x
    x = 72,856,704.99/9,247.09
  6. Step 6: Final answer
    x = 7,878.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.