Home / 10,904.58-16,364.13-3,979.08

Finding the Fourth Proportional to 10,904.58, 16,364.13 and 3,979.08

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Solution

The fourth proportional to 10,904.58, 16,364.13 and 3,979.08 is: 5,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.58 : 16,364.13 = 3,979.08 : x
  2. Step 2: Convert to fraction form
    10,904.58/16,364.13 = 3,979.08/x
  3. Step 3: Cross multiply
    10,904.58x = 16,364.13 × 3,979.08
  4. Step 4: Simplify right side
    10,904.58x = 65,114,182.40
  5. Step 5: Solve for x
    x = 65,114,182.40/10,904.58
  6. Step 6: Final answer
    x = 5,971.27

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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.