Home / 12,436.36-17,156.94-8,237.32

Finding the Fourth Proportional to 12,436.36, 17,156.94 and 8,237.32

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Solution

The fourth proportional to 12,436.36, 17,156.94 and 8,237.32 is: 11,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.36 : 17,156.94 = 8,237.32 : x
  2. Step 2: Convert to fraction form
    12,436.36/17,156.94 = 8,237.32/x
  3. Step 3: Cross multiply
    12,436.36x = 17,156.94 × 8,237.32
  4. Step 4: Simplify right side
    12,436.36x = 141,327,205.00
  5. Step 5: Solve for x
    x = 141,327,205.00/12,436.36
  6. Step 6: Final answer
    x = 11,364.03

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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.