Home / 11,181.12-16,700.32-10,125.44

Finding the Fourth Proportional to 11,181.12, 16,700.32 and 10,125.44

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Solution

The fourth proportional to 11,181.12, 16,700.32 and 10,125.44 is: 15,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.12 : 16,700.32 = 10,125.44 : x
  2. Step 2: Convert to fraction form
    11,181.12/16,700.32 = 10,125.44/x
  3. Step 3: Cross multiply
    11,181.12x = 16,700.32 × 10,125.44
  4. Step 4: Simplify right side
    11,181.12x = 169,098,088.14
  5. Step 5: Solve for x
    x = 169,098,088.14/11,181.12
  6. Step 6: Final answer
    x = 15,123.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.