Home / 12,030.03-18,045.33-4,132.47

Finding the Fourth Proportional to 12,030.03, 18,045.33 and 4,132.47

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Solution

The fourth proportional to 12,030.03, 18,045.33 and 4,132.47 is: 6,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.03 : 18,045.33 = 4,132.47 : x
  2. Step 2: Convert to fraction form
    12,030.03/18,045.33 = 4,132.47/x
  3. Step 3: Cross multiply
    12,030.03x = 18,045.33 × 4,132.47
  4. Step 4: Simplify right side
    12,030.03x = 74,571,784.87
  5. Step 5: Solve for x
    x = 74,571,784.87/12,030.03
  6. Step 6: Final answer
    x = 6,198.80

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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.