Home / 9,291.19-12,832.49-6,118.67

Finding the Fourth Proportional to 9,291.19, 12,832.49 and 6,118.67

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Solution

The fourth proportional to 9,291.19, 12,832.49 and 6,118.67 is: 8,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.19 : 12,832.49 = 6,118.67 : x
  2. Step 2: Convert to fraction form
    9,291.19/12,832.49 = 6,118.67/x
  3. Step 3: Cross multiply
    9,291.19x = 12,832.49 × 6,118.67
  4. Step 4: Simplify right side
    9,291.19x = 78,517,771.59
  5. Step 5: Solve for x
    x = 78,517,771.59/9,291.19
  6. Step 6: Final answer
    x = 8,450.78

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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.