Home / 11,355.60-17,035.83-4,784.88

Finding the Fourth Proportional to 11,355.60, 17,035.83 and 4,784.88

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Solution

The fourth proportional to 11,355.60, 17,035.83 and 4,784.88 is: 7,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.60 : 17,035.83 = 4,784.88 : x
  2. Step 2: Convert to fraction form
    11,355.60/17,035.83 = 4,784.88/x
  3. Step 3: Cross multiply
    11,355.60x = 17,035.83 × 4,784.88
  4. Step 4: Simplify right side
    11,355.60x = 81,514,402.25
  5. Step 5: Solve for x
    x = 81,514,402.25/11,355.60
  6. Step 6: Final answer
    x = 7,178.34

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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.