Home / 10,077.88-15,115.38-2,682.98

Finding the Fourth Proportional to 10,077.88, 15,115.38 and 2,682.98

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Solution

The fourth proportional to 10,077.88, 15,115.38 and 2,682.98 is: 4,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.88 : 15,115.38 = 2,682.98 : x
  2. Step 2: Convert to fraction form
    10,077.88/15,115.38 = 2,682.98/x
  3. Step 3: Cross multiply
    10,077.88x = 15,115.38 × 2,682.98
  4. Step 4: Simplify right side
    10,077.88x = 40,554,262.23
  5. Step 5: Solve for x
    x = 40,554,262.23/10,077.88
  6. Step 6: Final answer
    x = 4,024.09

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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.