Home / 11,771.91-16,244.63-6,465.71

Finding the Fourth Proportional to 11,771.91, 16,244.63 and 6,465.71

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Solution

The fourth proportional to 11,771.91, 16,244.63 and 6,465.71 is: 8,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.91 : 16,244.63 = 6,465.71 : x
  2. Step 2: Convert to fraction form
    11,771.91/16,244.63 = 6,465.71/x
  3. Step 3: Cross multiply
    11,771.91x = 16,244.63 × 6,465.71
  4. Step 4: Simplify right side
    11,771.91x = 105,033,099.17
  5. Step 5: Solve for x
    x = 105,033,099.17/11,771.91
  6. Step 6: Final answer
    x = 8,922.35

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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.