Home / 11,927.02-17,879.59-4,130.37

Finding the Fourth Proportional to 11,927.02, 17,879.59 and 4,130.37

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Solution

The fourth proportional to 11,927.02, 17,879.59 and 4,130.37 is: 6,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.02 : 17,879.59 = 4,130.37 : x
  2. Step 2: Convert to fraction form
    11,927.02/17,879.59 = 4,130.37/x
  3. Step 3: Cross multiply
    11,927.02x = 17,879.59 × 4,130.37
  4. Step 4: Simplify right side
    11,927.02x = 73,849,253.79
  5. Step 5: Solve for x
    x = 73,849,253.79/11,927.02
  6. Step 6: Final answer
    x = 6,191.76

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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.