Home / 10,751.15-16,127.74-4,177.84

Finding the Fourth Proportional to 10,751.15, 16,127.74 and 4,177.84

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Solution

The fourth proportional to 10,751.15, 16,127.74 and 4,177.84 is: 6,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.15 : 16,127.74 = 4,177.84 : x
  2. Step 2: Convert to fraction form
    10,751.15/16,127.74 = 4,177.84/x
  3. Step 3: Cross multiply
    10,751.15x = 16,127.74 × 4,177.84
  4. Step 4: Simplify right side
    10,751.15x = 67,379,117.28
  5. Step 5: Solve for x
    x = 67,379,117.28/10,751.15
  6. Step 6: Final answer
    x = 6,267.16

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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.