Home / 10,753.12-16,129.32-3,357.64

Finding the Fourth Proportional to 10,753.12, 16,129.32 and 3,357.64

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Solution

The fourth proportional to 10,753.12, 16,129.32 and 3,357.64 is: 5,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.12 : 16,129.32 = 3,357.64 : x
  2. Step 2: Convert to fraction form
    10,753.12/16,129.32 = 3,357.64/x
  3. Step 3: Cross multiply
    10,753.12x = 16,129.32 × 3,357.64
  4. Step 4: Simplify right side
    10,753.12x = 54,156,450.00
  5. Step 5: Solve for x
    x = 54,156,450.00/10,753.12
  6. Step 6: Final answer
    x = 5,036.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.