Home / 8,170.47-12,247.61-3,237.03

Finding the Fourth Proportional to 8,170.47, 12,247.61 and 3,237.03

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Solution

The fourth proportional to 8,170.47, 12,247.61 and 3,237.03 is: 4,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.47 : 12,247.61 = 3,237.03 : x
  2. Step 2: Convert to fraction form
    8,170.47/12,247.61 = 3,237.03/x
  3. Step 3: Cross multiply
    8,170.47x = 12,247.61 × 3,237.03
  4. Step 4: Simplify right side
    8,170.47x = 39,645,864.81
  5. Step 5: Solve for x
    x = 39,645,864.81/8,170.47
  6. Step 6: Final answer
    x = 4,852.34

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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.