Home / 10,830.36-16,245.66-3,904.92

Finding the Fourth Proportional to 10,830.36, 16,245.66 and 3,904.92

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Solution

The fourth proportional to 10,830.36, 16,245.66 and 3,904.92 is: 5,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.36 : 16,245.66 = 3,904.92 : x
  2. Step 2: Convert to fraction form
    10,830.36/16,245.66 = 3,904.92/x
  3. Step 3: Cross multiply
    10,830.36x = 16,245.66 × 3,904.92
  4. Step 4: Simplify right side
    10,830.36x = 63,438,002.65
  5. Step 5: Solve for x
    x = 63,438,002.65/10,830.36
  6. Step 6: Final answer
    x = 5,857.42

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1.5x scale

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.