Home / 12,622.07-17,418.12-7,244.35

Finding the Fourth Proportional to 12,622.07, 17,418.12 and 7,244.35

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Solution

The fourth proportional to 12,622.07, 17,418.12 and 7,244.35 is: 9,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.07 : 17,418.12 = 7,244.35 : x
  2. Step 2: Convert to fraction form
    12,622.07/17,418.12 = 7,244.35/x
  3. Step 3: Cross multiply
    12,622.07x = 17,418.12 × 7,244.35
  4. Step 4: Simplify right side
    12,622.07x = 126,182,969.06
  5. Step 5: Solve for x
    x = 126,182,969.06/12,622.07
  6. Step 6: Final answer
    x = 9,997.01

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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.