Home / 11,758.15-16,226.20-6,453.06

Finding the Fourth Proportional to 11,758.15, 16,226.20 and 6,453.06

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Solution

The fourth proportional to 11,758.15, 16,226.20 and 6,453.06 is: 8,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.15 : 16,226.20 = 6,453.06 : x
  2. Step 2: Convert to fraction form
    11,758.15/16,226.20 = 6,453.06/x
  3. Step 3: Cross multiply
    11,758.15x = 16,226.20 × 6,453.06
  4. Step 4: Simplify right side
    11,758.15x = 104,708,642.17
  5. Step 5: Solve for x
    x = 104,708,642.17/11,758.15
  6. Step 6: Final answer
    x = 8,905.20

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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.