Home / 11,207.77-15,466.85-6,172.00

Finding the Fourth Proportional to 11,207.77, 15,466.85 and 6,172.00

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Solution

The fourth proportional to 11,207.77, 15,466.85 and 6,172.00 is: 8,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.77 : 15,466.85 = 6,172.00 : x
  2. Step 2: Convert to fraction form
    11,207.77/15,466.85 = 6,172.00/x
  3. Step 3: Cross multiply
    11,207.77x = 15,466.85 × 6,172.00
  4. Step 4: Simplify right side
    11,207.77x = 95,461,351.82
  5. Step 5: Solve for x
    x = 95,461,351.82/11,207.77
  6. Step 6: Final answer
    x = 8,517.43

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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.