Home / 10,708.74-16,064.64-3,313.86

Finding the Fourth Proportional to 10,708.74, 16,064.64 and 3,313.86

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Solution

The fourth proportional to 10,708.74, 16,064.64 and 3,313.86 is: 4,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.74 : 16,064.64 = 3,313.86 : x
  2. Step 2: Convert to fraction form
    10,708.74/16,064.64 = 3,313.86/x
  3. Step 3: Cross multiply
    10,708.74x = 16,064.64 × 3,313.86
  4. Step 4: Simplify right side
    10,708.74x = 53,235,967.91
  5. Step 5: Solve for x
    x = 53,235,967.91/10,708.74
  6. Step 6: Final answer
    x = 4,971.26

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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.