Home / 10,790.68-16,174.50-7,703.32

Finding the Fourth Proportional to 10,790.68, 16,174.50 and 7,703.32

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Solution

The fourth proportional to 10,790.68, 16,174.50 and 7,703.32 is: 11,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.68 : 16,174.50 = 7,703.32 : x
  2. Step 2: Convert to fraction form
    10,790.68/16,174.50 = 7,703.32/x
  3. Step 3: Cross multiply
    10,790.68x = 16,174.50 × 7,703.32
  4. Step 4: Simplify right side
    10,790.68x = 124,597,349.34
  5. Step 5: Solve for x
    x = 124,597,349.34/10,790.68
  6. Step 6: Final answer
    x = 11,546.76

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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.