Home / 10,904.36-16,356.54-3,114.32

Finding the Fourth Proportional to 10,904.36, 16,356.54 and 3,114.32

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Solution

The fourth proportional to 10,904.36, 16,356.54 and 3,114.32 is: 4,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.36 : 16,356.54 = 3,114.32 : x
  2. Step 2: Convert to fraction form
    10,904.36/16,356.54 = 3,114.32/x
  3. Step 3: Cross multiply
    10,904.36x = 16,356.54 × 3,114.32
  4. Step 4: Simplify right side
    10,904.36x = 50,939,499.65
  5. Step 5: Solve for x
    x = 50,939,499.65/10,904.36
  6. Step 6: Final answer
    x = 4,671.48

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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.