Home / 11,751.24-16,216.20-7,038.12

Finding the Fourth Proportional to 11,751.24, 16,216.20 and 7,038.12

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Solution

The fourth proportional to 11,751.24, 16,216.20 and 7,038.12 is: 9,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.24 : 16,216.20 = 7,038.12 : x
  2. Step 2: Convert to fraction form
    11,751.24/16,216.20 = 7,038.12/x
  3. Step 3: Cross multiply
    11,751.24x = 16,216.20 × 7,038.12
  4. Step 4: Simplify right side
    11,751.24x = 114,131,561.54
  5. Step 5: Solve for x
    x = 114,131,561.54/11,751.24
  6. Step 6: Final answer
    x = 9,712.30

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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.