Home / 12,201.16-16,837.74-6,612.28

Finding the Fourth Proportional to 12,201.16, 16,837.74 and 6,612.28

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Solution

The fourth proportional to 12,201.16, 16,837.74 and 6,612.28 is: 9,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.16 : 16,837.74 = 6,612.28 : x
  2. Step 2: Convert to fraction form
    12,201.16/16,837.74 = 6,612.28/x
  3. Step 3: Cross multiply
    12,201.16x = 16,837.74 × 6,612.28
  4. Step 4: Simplify right side
    12,201.16x = 111,335,851.45
  5. Step 5: Solve for x
    x = 111,335,851.45/12,201.16
  6. Step 6: Final answer
    x = 9,125.02

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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.