Home / 12,777.38-19,166.02-4,012.26

Finding the Fourth Proportional to 12,777.38, 19,166.02 and 4,012.26

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Solution

The fourth proportional to 12,777.38, 19,166.02 and 4,012.26 is: 6,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.38 : 19,166.02 = 4,012.26 : x
  2. Step 2: Convert to fraction form
    12,777.38/19,166.02 = 4,012.26/x
  3. Step 3: Cross multiply
    12,777.38x = 19,166.02 × 4,012.26
  4. Step 4: Simplify right side
    12,777.38x = 76,899,055.41
  5. Step 5: Solve for x
    x = 76,899,055.41/12,777.38
  6. Step 6: Final answer
    x = 6,018.37

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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.