Home / 12,281.69-18,420.73-6,040.02

Finding the Fourth Proportional to 12,281.69, 18,420.73 and 6,040.02

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Solution

The fourth proportional to 12,281.69, 18,420.73 and 6,040.02 is: 9,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.69 : 18,420.73 = 6,040.02 : x
  2. Step 2: Convert to fraction form
    12,281.69/18,420.73 = 6,040.02/x
  3. Step 3: Cross multiply
    12,281.69x = 18,420.73 × 6,040.02
  4. Step 4: Simplify right side
    12,281.69x = 111,261,631.03
  5. Step 5: Solve for x
    x = 111,261,631.03/12,281.69
  6. Step 6: Final answer
    x = 9,059.15

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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.