Home / 8,059.46-12,077.84-6,408.68

Finding the Fourth Proportional to 8,059.46, 12,077.84 and 6,408.68

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Solution

The fourth proportional to 8,059.46, 12,077.84 and 6,408.68 is: 9,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.46 : 12,077.84 = 6,408.68 : x
  2. Step 2: Convert to fraction form
    8,059.46/12,077.84 = 6,408.68/x
  3. Step 3: Cross multiply
    8,059.46x = 12,077.84 × 6,408.68
  4. Step 4: Simplify right side
    8,059.46x = 77,402,919.22
  5. Step 5: Solve for x
    x = 77,402,919.22/8,059.46
  6. Step 6: Final answer
    x = 9,603.99

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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.