Home / 12,216.48-16,849.92-7,503.36

Finding the Fourth Proportional to 12,216.48, 16,849.92 and 7,503.36

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Solution

The fourth proportional to 12,216.48, 16,849.92 and 7,503.36 is: 10,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.48 : 16,849.92 = 7,503.36 : x
  2. Step 2: Convert to fraction form
    12,216.48/16,849.92 = 7,503.36/x
  3. Step 3: Cross multiply
    12,216.48x = 16,849.92 × 7,503.36
  4. Step 4: Simplify right side
    12,216.48x = 126,431,015.73
  5. Step 5: Solve for x
    x = 126,431,015.73/12,216.48
  6. Step 6: Final answer
    x = 10,349.22

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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.