Home / 11,351.22-15,664.91-6,571.30

Finding the Fourth Proportional to 11,351.22, 15,664.91 and 6,571.30

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Solution

The fourth proportional to 11,351.22, 15,664.91 and 6,571.30 is: 9,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.22 : 15,664.91 = 6,571.30 : x
  2. Step 2: Convert to fraction form
    11,351.22/15,664.91 = 6,571.30/x
  3. Step 3: Cross multiply
    11,351.22x = 15,664.91 × 6,571.30
  4. Step 4: Simplify right side
    11,351.22x = 102,938,823.08
  5. Step 5: Solve for x
    x = 102,938,823.08/11,351.22
  6. Step 6: Final answer
    x = 9,068.53

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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.