Home / 11,291.92-16,941.58-4,719.98

Finding the Fourth Proportional to 11,291.92, 16,941.58 and 4,719.98

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Solution

The fourth proportional to 11,291.92, 16,941.58 and 4,719.98 is: 7,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.92 : 16,941.58 = 4,719.98 : x
  2. Step 2: Convert to fraction form
    11,291.92/16,941.58 = 4,719.98/x
  3. Step 3: Cross multiply
    11,291.92x = 16,941.58 × 4,719.98
  4. Step 4: Simplify right side
    11,291.92x = 79,963,918.77
  5. Step 5: Solve for x
    x = 79,963,918.77/11,291.92
  6. Step 6: Final answer
    x = 7,081.52

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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.