Home / 10,588.86-15,879.47-3,191.02

Finding the Fourth Proportional to 10,588.86, 15,879.47 and 3,191.02

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Solution

The fourth proportional to 10,588.86, 15,879.47 and 3,191.02 is: 4,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.86 : 15,879.47 = 3,191.02 : x
  2. Step 2: Convert to fraction form
    10,588.86/15,879.47 = 3,191.02/x
  3. Step 3: Cross multiply
    10,588.86x = 15,879.47 × 3,191.02
  4. Step 4: Simplify right side
    10,588.86x = 50,671,650.71
  5. Step 5: Solve for x
    x = 50,671,650.71/10,588.86
  6. Step 6: Final answer
    x = 4,785.37

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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.