Home / 11,153.77-16,751.45-9,820.04

Finding the Fourth Proportional to 11,153.77, 16,751.45 and 9,820.04

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Solution

The fourth proportional to 11,153.77, 16,751.45 and 9,820.04 is: 14,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.77 : 16,751.45 = 9,820.04 : x
  2. Step 2: Convert to fraction form
    11,153.77/16,751.45 = 9,820.04/x
  3. Step 3: Cross multiply
    11,153.77x = 16,751.45 × 9,820.04
  4. Step 4: Simplify right side
    11,153.77x = 164,499,849.85
  5. Step 5: Solve for x
    x = 164,499,849.85/11,153.77
  6. Step 6: Final answer
    x = 14,748.37

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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.