Home / 10,699.16-16,051.37-4,125.80

Finding the Fourth Proportional to 10,699.16, 16,051.37 and 4,125.80

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Solution

The fourth proportional to 10,699.16, 16,051.37 and 4,125.80 is: 6,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.16 : 16,051.37 = 4,125.80 : x
  2. Step 2: Convert to fraction form
    10,699.16/16,051.37 = 4,125.80/x
  3. Step 3: Cross multiply
    10,699.16x = 16,051.37 × 4,125.80
  4. Step 4: Simplify right side
    10,699.16x = 66,224,761.85
  5. Step 5: Solve for x
    x = 66,224,761.85/10,699.16
  6. Step 6: Final answer
    x = 6,189.72

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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.