Home / 12,236.14-16,885.87-6,647.14

Finding the Fourth Proportional to 12,236.14, 16,885.87 and 6,647.14

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Solution

The fourth proportional to 12,236.14, 16,885.87 and 6,647.14 is: 9,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.14 : 16,885.87 = 6,647.14 : x
  2. Step 2: Convert to fraction form
    12,236.14/16,885.87 = 6,647.14/x
  3. Step 3: Cross multiply
    12,236.14x = 16,885.87 × 6,647.14
  4. Step 4: Simplify right side
    12,236.14x = 112,242,741.91
  5. Step 5: Solve for x
    x = 112,242,741.91/12,236.14
  6. Step 6: Final answer
    x = 9,173.05

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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.