Home / 10,879.38-16,319.07-3,483.81

Finding the Fourth Proportional to 10,879.38, 16,319.07 and 3,483.81

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Solution

The fourth proportional to 10,879.38, 16,319.07 and 3,483.81 is: 5,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.38 : 16,319.07 = 3,483.81 : x
  2. Step 2: Convert to fraction form
    10,879.38/16,319.07 = 3,483.81/x
  3. Step 3: Cross multiply
    10,879.38x = 16,319.07 × 3,483.81
  4. Step 4: Simplify right side
    10,879.38x = 56,852,539.26
  5. Step 5: Solve for x
    x = 56,852,539.26/10,879.38
  6. Step 6: Final answer
    x = 5,225.72

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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.