Home / 11,259.95-16,890.15-3,468.75

Finding the Fourth Proportional to 11,259.95, 16,890.15 and 3,468.75

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Solution

The fourth proportional to 11,259.95, 16,890.15 and 3,468.75 is: 5,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.95 : 16,890.15 = 3,468.75 : x
  2. Step 2: Convert to fraction form
    11,259.95/16,890.15 = 3,468.75/x
  3. Step 3: Cross multiply
    11,259.95x = 16,890.15 × 3,468.75
  4. Step 4: Simplify right side
    11,259.95x = 58,587,707.81
  5. Step 5: Solve for x
    x = 58,587,707.81/11,259.95
  6. Step 6: Final answer
    x = 5,203.20

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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.