Home / 11,738.71-16,199.36-6,433.35

Finding the Fourth Proportional to 11,738.71, 16,199.36 and 6,433.35

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Solution

The fourth proportional to 11,738.71, 16,199.36 and 6,433.35 is: 8,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.71 : 16,199.36 = 6,433.35 : x
  2. Step 2: Convert to fraction form
    11,738.71/16,199.36 = 6,433.35/x
  3. Step 3: Cross multiply
    11,738.71x = 16,199.36 × 6,433.35
  4. Step 4: Simplify right side
    11,738.71x = 104,216,039.49
  5. Step 5: Solve for x
    x = 104,216,039.49/11,738.71
  6. Step 6: Final answer
    x = 8,877.98

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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.