Home / 9,719.41-13,380.33-9,273.06

Finding the Fourth Proportional to 9,719.41, 13,380.33 and 9,273.06

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Solution

The fourth proportional to 9,719.41, 13,380.33 and 9,273.06 is: 12,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.41 : 13,380.33 = 9,273.06 : x
  2. Step 2: Convert to fraction form
    9,719.41/13,380.33 = 9,273.06/x
  3. Step 3: Cross multiply
    9,719.41x = 13,380.33 × 9,273.06
  4. Step 4: Simplify right side
    9,719.41x = 124,076,536.01
  5. Step 5: Solve for x
    x = 124,076,536.01/9,719.41
  6. Step 6: Final answer
    x = 12,765.85

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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.