Home / 9,408.19-12,989.17-6,056.81

Finding the Fourth Proportional to 9,408.19, 12,989.17 and 6,056.81

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Solution

The fourth proportional to 9,408.19, 12,989.17 and 6,056.81 is: 8,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.19 : 12,989.17 = 6,056.81 : x
  2. Step 2: Convert to fraction form
    9,408.19/12,989.17 = 6,056.81/x
  3. Step 3: Cross multiply
    9,408.19x = 12,989.17 × 6,056.81
  4. Step 4: Simplify right side
    9,408.19x = 78,672,934.75
  5. Step 5: Solve for x
    x = 78,672,934.75/9,408.19
  6. Step 6: Final answer
    x = 8,362.18

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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.