Home / 10,859.91-16,281.89-3,460.11

Finding the Fourth Proportional to 10,859.91, 16,281.89 and 3,460.11

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Solution

The fourth proportional to 10,859.91, 16,281.89 and 3,460.11 is: 5,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.91 : 16,281.89 = 3,460.11 : x
  2. Step 2: Convert to fraction form
    10,859.91/16,281.89 = 3,460.11/x
  3. Step 3: Cross multiply
    10,859.91x = 16,281.89 × 3,460.11
  4. Step 4: Simplify right side
    10,859.91x = 56,337,130.41
  5. Step 5: Solve for x
    x = 56,337,130.41/10,859.91
  6. Step 6: Final answer
    x = 5,187.62

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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.