Home / 12,436.36-17,153.22-8,450.52

Finding the Fourth Proportional to 12,436.36, 17,153.22 and 8,450.52

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Solution

The fourth proportional to 12,436.36, 17,153.22 and 8,450.52 is: 11,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.36 : 17,153.22 = 8,450.52 : x
  2. Step 2: Convert to fraction form
    12,436.36/17,153.22 = 8,450.52/x
  3. Step 3: Cross multiply
    12,436.36x = 17,153.22 × 8,450.52
  4. Step 4: Simplify right side
    12,436.36x = 144,953,628.67
  5. Step 5: Solve for x
    x = 144,953,628.67/12,436.36
  6. Step 6: Final answer
    x = 11,655.63

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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.