Home / 11,032.78-16,539.85-4,788.08

Finding the Fourth Proportional to 11,032.78, 16,539.85 and 4,788.08

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Solution

The fourth proportional to 11,032.78, 16,539.85 and 4,788.08 is: 7,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.78 : 16,539.85 = 4,788.08 : x
  2. Step 2: Convert to fraction form
    11,032.78/16,539.85 = 4,788.08/x
  3. Step 3: Cross multiply
    11,032.78x = 16,539.85 × 4,788.08
  4. Step 4: Simplify right side
    11,032.78x = 79,194,124.99
  5. Step 5: Solve for x
    x = 79,194,124.99/11,032.78
  6. Step 6: Final answer
    x = 7,178.08

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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.