Home / 8,749.07-13,120.91-2,507.41

Finding the Fourth Proportional to 8,749.07, 13,120.91 and 2,507.41

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Solution

The fourth proportional to 8,749.07, 13,120.91 and 2,507.41 is: 3,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.07 : 13,120.91 = 2,507.41 : x
  2. Step 2: Convert to fraction form
    8,749.07/13,120.91 = 2,507.41/x
  3. Step 3: Cross multiply
    8,749.07x = 13,120.91 × 2,507.41
  4. Step 4: Simplify right side
    8,749.07x = 32,899,474.41
  5. Step 5: Solve for x
    x = 32,899,474.41/8,749.07
  6. Step 6: Final answer
    x = 3,760.34

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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.