Home / 12,776.01-19,166.90-3,892.14

Finding the Fourth Proportional to 12,776.01, 19,166.90 and 3,892.14

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Solution

The fourth proportional to 12,776.01, 19,166.90 and 3,892.14 is: 5,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.01 : 19,166.90 = 3,892.14 : x
  2. Step 2: Convert to fraction form
    12,776.01/19,166.90 = 3,892.14/x
  3. Step 3: Cross multiply
    12,776.01x = 19,166.90 × 3,892.14
  4. Step 4: Simplify right side
    12,776.01x = 74,600,142.87
  5. Step 5: Solve for x
    x = 74,600,142.87/12,776.01
  6. Step 6: Final answer
    x = 5,839.08

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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.