Home / 11,738.28-16,199.28-6,432.99

Finding the Fourth Proportional to 11,738.28, 16,199.28 and 6,432.99

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Solution

The fourth proportional to 11,738.28, 16,199.28 and 6,432.99 is: 8,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.28 : 16,199.28 = 6,432.99 : x
  2. Step 2: Convert to fraction form
    11,738.28/16,199.28 = 6,432.99/x
  3. Step 3: Cross multiply
    11,738.28x = 16,199.28 × 6,432.99
  4. Step 4: Simplify right side
    11,738.28x = 104,209,806.25
  5. Step 5: Solve for x
    x = 104,209,806.25/11,738.28
  6. Step 6: Final answer
    x = 8,877.77

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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.