Home / 11,558.66-17,341.63-4,987.94

Finding the Fourth Proportional to 11,558.66, 17,341.63 and 4,987.94

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Solution

The fourth proportional to 11,558.66, 17,341.63 and 4,987.94 is: 7,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.66 : 17,341.63 = 4,987.94 : x
  2. Step 2: Convert to fraction form
    11,558.66/17,341.63 = 4,987.94/x
  3. Step 3: Cross multiply
    11,558.66x = 17,341.63 × 4,987.94
  4. Step 4: Simplify right side
    11,558.66x = 86,498,910.76
  5. Step 5: Solve for x
    x = 86,498,910.76/11,558.66
  6. Step 6: Final answer
    x = 7,483.48

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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.