Home / 10,174.86-15,188.58-8,797.05

Finding the Fourth Proportional to 10,174.86, 15,188.58 and 8,797.05

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Solution

The fourth proportional to 10,174.86, 15,188.58 and 8,797.05 is: 13,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.86 : 15,188.58 = 8,797.05 : x
  2. Step 2: Convert to fraction form
    10,174.86/15,188.58 = 8,797.05/x
  3. Step 3: Cross multiply
    10,174.86x = 15,188.58 × 8,797.05
  4. Step 4: Simplify right side
    10,174.86x = 133,614,697.69
  5. Step 5: Solve for x
    x = 133,614,697.69/10,174.86
  6. Step 6: Final answer
    x = 13,131.85

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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.