Home / 11,678.24-16,116.38-6,373.36

Finding the Fourth Proportional to 11,678.24, 16,116.38 and 6,373.36

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Solution

The fourth proportional to 11,678.24, 16,116.38 and 6,373.36 is: 8,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.24 : 16,116.38 = 6,373.36 : x
  2. Step 2: Convert to fraction form
    11,678.24/16,116.38 = 6,373.36/x
  3. Step 3: Cross multiply
    11,678.24x = 16,116.38 × 6,373.36
  4. Step 4: Simplify right side
    11,678.24x = 102,715,491.64
  5. Step 5: Solve for x
    x = 102,715,491.64/11,678.24
  6. Step 6: Final answer
    x = 8,795.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.