Home / 28,318.13-42,474.46-8,596.86

Finding the Fourth Proportional to 28,318.13, 42,474.46 and 8,596.86

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Solution

The fourth proportional to 28,318.13, 42,474.46 and 8,596.86 is: 12,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.13 : 42,474.46 = 8,596.86 : x
  2. Step 2: Convert to fraction form
    28,318.13/42,474.46 = 8,596.86/x
  3. Step 3: Cross multiply
    28,318.13x = 42,474.46 × 8,596.86
  4. Step 4: Simplify right side
    28,318.13x = 365,146,977.27
  5. Step 5: Solve for x
    x = 365,146,977.27/28,318.13
  6. Step 6: Final answer
    x = 12,894.46

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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.