Home / 12,161.37-18,233.10-4,762.02

Finding the Fourth Proportional to 12,161.37, 18,233.10 and 4,762.02

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Solution

The fourth proportional to 12,161.37, 18,233.10 and 4,762.02 is: 7,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.37 : 18,233.10 = 4,762.02 : x
  2. Step 2: Convert to fraction form
    12,161.37/18,233.10 = 4,762.02/x
  3. Step 3: Cross multiply
    12,161.37x = 18,233.10 × 4,762.02
  4. Step 4: Simplify right side
    12,161.37x = 86,826,386.86
  5. Step 5: Solve for x
    x = 86,826,386.86/12,161.37
  6. Step 6: Final answer
    x = 7,139.52

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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.