Home / 9,222.88-12,726.69-5,243.77

Finding the Fourth Proportional to 9,222.88, 12,726.69 and 5,243.77

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Solution

The fourth proportional to 9,222.88, 12,726.69 and 5,243.77 is: 7,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.88 : 12,726.69 = 5,243.77 : x
  2. Step 2: Convert to fraction form
    9,222.88/12,726.69 = 5,243.77/x
  3. Step 3: Cross multiply
    9,222.88x = 12,726.69 × 5,243.77
  4. Step 4: Simplify right side
    9,222.88x = 66,735,835.22
  5. Step 5: Solve for x
    x = 66,735,835.22/9,222.88
  6. Step 6: Final answer
    x = 7,235.90

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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.