Home / 11,940.36-17,903.68-4,925.21

Finding the Fourth Proportional to 11,940.36, 17,903.68 and 4,925.21

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Solution

The fourth proportional to 11,940.36, 17,903.68 and 4,925.21 is: 7,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.36 : 17,903.68 = 4,925.21 : x
  2. Step 2: Convert to fraction form
    11,940.36/17,903.68 = 4,925.21/x
  3. Step 3: Cross multiply
    11,940.36x = 17,903.68 × 4,925.21
  4. Step 4: Simplify right side
    11,940.36x = 88,179,309.65
  5. Step 5: Solve for x
    x = 88,179,309.65/11,940.36
  6. Step 6: Final answer
    x = 7,384.98

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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.