Home / 11,722.25-16,176.71-6,417.41

Finding the Fourth Proportional to 11,722.25, 16,176.71 and 6,417.41

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Solution

The fourth proportional to 11,722.25, 16,176.71 and 6,417.41 is: 8,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.25 : 16,176.71 = 6,417.41 : x
  2. Step 2: Convert to fraction form
    11,722.25/16,176.71 = 6,417.41/x
  3. Step 3: Cross multiply
    11,722.25x = 16,176.71 × 6,417.41
  4. Step 4: Simplify right side
    11,722.25x = 103,812,515.68
  5. Step 5: Solve for x
    x = 103,812,515.68/11,722.25
  6. Step 6: Final answer
    x = 8,856.02

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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.