Home / 10,762.83-16,151.67-4,189.05

Finding the Fourth Proportional to 10,762.83, 16,151.67 and 4,189.05

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Solution

The fourth proportional to 10,762.83, 16,151.67 and 4,189.05 is: 6,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.83 : 16,151.67 = 4,189.05 : x
  2. Step 2: Convert to fraction form
    10,762.83/16,151.67 = 4,189.05/x
  3. Step 3: Cross multiply
    10,762.83x = 16,151.67 × 4,189.05
  4. Step 4: Simplify right side
    10,762.83x = 67,660,153.21
  5. Step 5: Solve for x
    x = 67,660,153.21/10,762.83
  6. Step 6: Final answer
    x = 6,286.46

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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.