Home / 11,207.91-15,466.72-6,172.59

Finding the Fourth Proportional to 11,207.91, 15,466.72 and 6,172.59

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Solution

The fourth proportional to 11,207.91, 15,466.72 and 6,172.59 is: 8,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.91 : 15,466.72 = 6,172.59 : x
  2. Step 2: Convert to fraction form
    11,207.91/15,466.72 = 6,172.59/x
  3. Step 3: Cross multiply
    11,207.91x = 15,466.72 × 6,172.59
  4. Step 4: Simplify right side
    11,207.91x = 95,469,810.07
  5. Step 5: Solve for x
    x = 95,469,810.07/11,207.91
  6. Step 6: Final answer
    x = 8,518.08

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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.