Home / 9,221.06-13,828.76-2,645.48

Finding the Fourth Proportional to 9,221.06, 13,828.76 and 2,645.48

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Solution

The fourth proportional to 9,221.06, 13,828.76 and 2,645.48 is: 3,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.06 : 13,828.76 = 2,645.48 : x
  2. Step 2: Convert to fraction form
    9,221.06/13,828.76 = 2,645.48/x
  3. Step 3: Cross multiply
    9,221.06x = 13,828.76 × 2,645.48
  4. Step 4: Simplify right side
    9,221.06x = 36,583,708.00
  5. Step 5: Solve for x
    x = 36,583,708.00/9,221.06
  6. Step 6: Final answer
    x = 3,967.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.