Home / 12,170.02-18,256.83-3,848.15

Finding the Fourth Proportional to 12,170.02, 18,256.83 and 3,848.15

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Solution

The fourth proportional to 12,170.02, 18,256.83 and 3,848.15 is: 5,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.02 : 18,256.83 = 3,848.15 : x
  2. Step 2: Convert to fraction form
    12,170.02/18,256.83 = 3,848.15/x
  3. Step 3: Cross multiply
    12,170.02x = 18,256.83 × 3,848.15
  4. Step 4: Simplify right side
    12,170.02x = 70,255,020.36
  5. Step 5: Solve for x
    x = 70,255,020.36/12,170.02
  6. Step 6: Final answer
    x = 5,772.79

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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.