Home / 11,106.76-16,668.32-5,263.36

Finding the Fourth Proportional to 11,106.76, 16,668.32 and 5,263.36

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Solution

The fourth proportional to 11,106.76, 16,668.32 and 5,263.36 is: 7,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.76 : 16,668.32 = 5,263.36 : x
  2. Step 2: Convert to fraction form
    11,106.76/16,668.32 = 5,263.36/x
  3. Step 3: Cross multiply
    11,106.76x = 16,668.32 × 5,263.36
  4. Step 4: Simplify right side
    11,106.76x = 87,731,368.76
  5. Step 5: Solve for x
    x = 87,731,368.76/11,106.76
  6. Step 6: Final answer
    x = 7,898.92

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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.