Home / 10,772.55-16,152.21-4,191.07

Finding the Fourth Proportional to 10,772.55, 16,152.21 and 4,191.07

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Solution

The fourth proportional to 10,772.55, 16,152.21 and 4,191.07 is: 6,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.55 : 16,152.21 = 4,191.07 : x
  2. Step 2: Convert to fraction form
    10,772.55/16,152.21 = 4,191.07/x
  3. Step 3: Cross multiply
    10,772.55x = 16,152.21 × 4,191.07
  4. Step 4: Simplify right side
    10,772.55x = 67,695,042.76
  5. Step 5: Solve for x
    x = 67,695,042.76/10,772.55
  6. Step 6: Final answer
    x = 6,284.03

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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.