Home / 10,910.93-16,374.63-8,745.80

Finding the Fourth Proportional to 10,910.93, 16,374.63 and 8,745.80

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Solution

The fourth proportional to 10,910.93, 16,374.63 and 8,745.80 is: 13,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.93 : 16,374.63 = 8,745.80 : x
  2. Step 2: Convert to fraction form
    10,910.93/16,374.63 = 8,745.80/x
  3. Step 3: Cross multiply
    10,910.93x = 16,374.63 × 8,745.80
  4. Step 4: Simplify right side
    10,910.93x = 143,209,211.43
  5. Step 5: Solve for x
    x = 143,209,211.43/10,910.93
  6. Step 6: Final answer
    x = 13,125.30

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1.5x scale

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.