Home / 10,166.82-15,248.69-2,771.88

Finding the Fourth Proportional to 10,166.82, 15,248.69 and 2,771.88

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Solution

The fourth proportional to 10,166.82, 15,248.69 and 2,771.88 is: 4,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.82 : 15,248.69 = 2,771.88 : x
  2. Step 2: Convert to fraction form
    10,166.82/15,248.69 = 2,771.88/x
  3. Step 3: Cross multiply
    10,166.82x = 15,248.69 × 2,771.88
  4. Step 4: Simplify right side
    10,166.82x = 42,267,538.84
  5. Step 5: Solve for x
    x = 42,267,538.84/10,166.82
  6. Step 6: Final answer
    x = 4,157.40

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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.