Home / 10,710.78-16,060.26-3,313.20

Finding the Fourth Proportional to 10,710.78, 16,060.26 and 3,313.20

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Solution

The fourth proportional to 10,710.78, 16,060.26 and 3,313.20 is: 4,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.78 : 16,060.26 = 3,313.20 : x
  2. Step 2: Convert to fraction form
    10,710.78/16,060.26 = 3,313.20/x
  3. Step 3: Cross multiply
    10,710.78x = 16,060.26 × 3,313.20
  4. Step 4: Simplify right side
    10,710.78x = 53,210,853.43
  5. Step 5: Solve for x
    x = 53,210,853.43/10,710.78
  6. Step 6: Final answer
    x = 4,967.97

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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.