Home / 10,750.08-16,129.88-4,176.75

Finding the Fourth Proportional to 10,750.08, 16,129.88 and 4,176.75

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Solution

The fourth proportional to 10,750.08, 16,129.88 and 4,176.75 is: 6,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.08 : 16,129.88 = 4,176.75 : x
  2. Step 2: Convert to fraction form
    10,750.08/16,129.88 = 4,176.75/x
  3. Step 3: Cross multiply
    10,750.08x = 16,129.88 × 4,176.75
  4. Step 4: Simplify right side
    10,750.08x = 67,370,455.41
  5. Step 5: Solve for x
    x = 67,370,455.41/10,750.08
  6. Step 6: Final answer
    x = 6,266.97

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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.