Home / 10,772.85-16,159.16-4,203.65

Finding the Fourth Proportional to 10,772.85, 16,159.16 and 4,203.65

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Solution

The fourth proportional to 10,772.85, 16,159.16 and 4,203.65 is: 6,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.85 : 16,159.16 = 4,203.65 : x
  2. Step 2: Convert to fraction form
    10,772.85/16,159.16 = 4,203.65/x
  3. Step 3: Cross multiply
    10,772.85x = 16,159.16 × 4,203.65
  4. Step 4: Simplify right side
    10,772.85x = 67,927,452.93
  5. Step 5: Solve for x
    x = 67,927,452.93/10,772.85
  6. Step 6: Final answer
    x = 6,305.43

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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.