Home / 10,152.86-15,231.09-3,582.86

Finding the Fourth Proportional to 10,152.86, 15,231.09 and 3,582.86

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Solution

The fourth proportional to 10,152.86, 15,231.09 and 3,582.86 is: 5,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.86 : 15,231.09 = 3,582.86 : x
  2. Step 2: Convert to fraction form
    10,152.86/15,231.09 = 3,582.86/x
  3. Step 3: Cross multiply
    10,152.86x = 15,231.09 × 3,582.86
  4. Step 4: Simplify right side
    10,152.86x = 54,570,863.12
  5. Step 5: Solve for x
    x = 54,570,863.12/10,152.86
  6. Step 6: Final answer
    x = 5,374.93

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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.