Home / 11,028.95-16,543.39-4,788.15

Finding the Fourth Proportional to 11,028.95, 16,543.39 and 4,788.15

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Solution

The fourth proportional to 11,028.95, 16,543.39 and 4,788.15 is: 7,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.95 : 16,543.39 = 4,788.15 : x
  2. Step 2: Convert to fraction form
    11,028.95/16,543.39 = 4,788.15/x
  3. Step 3: Cross multiply
    11,028.95x = 16,543.39 × 4,788.15
  4. Step 4: Simplify right side
    11,028.95x = 79,212,220.86
  5. Step 5: Solve for x
    x = 79,212,220.86/11,028.95
  6. Step 6: Final answer
    x = 7,182.21

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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.