Home / 10,166.85-15,248.72-2,771.91

Finding the Fourth Proportional to 10,166.85, 15,248.72 and 2,771.91

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Solution

The fourth proportional to 10,166.85, 15,248.72 and 2,771.91 is: 4,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.85 : 15,248.72 = 2,771.91 : x
  2. Step 2: Convert to fraction form
    10,166.85/15,248.72 = 2,771.91/x
  3. Step 3: Cross multiply
    10,166.85x = 15,248.72 × 2,771.91
  4. Step 4: Simplify right side
    10,166.85x = 42,268,079.46
  5. Step 5: Solve for x
    x = 42,268,079.46/10,166.85
  6. Step 6: Final answer
    x = 4,157.44

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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.