Home / 11,748.68-16,213.06-6,443.58

Finding the Fourth Proportional to 11,748.68, 16,213.06 and 6,443.58

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Solution

The fourth proportional to 11,748.68, 16,213.06 and 6,443.58 is: 8,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.68 : 16,213.06 = 6,443.58 : x
  2. Step 2: Convert to fraction form
    11,748.68/16,213.06 = 6,443.58/x
  3. Step 3: Cross multiply
    11,748.68x = 16,213.06 × 6,443.58
  4. Step 4: Simplify right side
    11,748.68x = 104,470,149.15
  5. Step 5: Solve for x
    x = 104,470,149.15/11,748.68
  6. Step 6: Final answer
    x = 8,892.08

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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.