Home / 11,887.08-16,408.30-6,853.32

Finding the Fourth Proportional to 11,887.08, 16,408.30 and 6,853.32

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Solution

The fourth proportional to 11,887.08, 16,408.30 and 6,853.32 is: 9,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.08 : 16,408.30 = 6,853.32 : x
  2. Step 2: Convert to fraction form
    11,887.08/16,408.30 = 6,853.32/x
  3. Step 3: Cross multiply
    11,887.08x = 16,408.30 × 6,853.32
  4. Step 4: Simplify right side
    11,887.08x = 112,451,330.56
  5. Step 5: Solve for x
    x = 112,451,330.56/11,887.08
  6. Step 6: Final answer
    x = 9,459.96

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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.