Home / 12,535.06-17,302.88-8,553.33

Finding the Fourth Proportional to 12,535.06, 17,302.88 and 8,553.33

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Solution

The fourth proportional to 12,535.06, 17,302.88 and 8,553.33 is: 11,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.06 : 17,302.88 = 8,553.33 : x
  2. Step 2: Convert to fraction form
    12,535.06/17,302.88 = 8,553.33/x
  3. Step 3: Cross multiply
    12,535.06x = 17,302.88 × 8,553.33
  4. Step 4: Simplify right side
    12,535.06x = 147,997,242.59
  5. Step 5: Solve for x
    x = 147,997,242.59/12,535.06
  6. Step 6: Final answer
    x = 11,806.66

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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.