Home / 12,237.13-16,886.42-7,200.37

Finding the Fourth Proportional to 12,237.13, 16,886.42 and 7,200.37

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Solution

The fourth proportional to 12,237.13, 16,886.42 and 7,200.37 is: 9,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.13 : 16,886.42 = 7,200.37 : x
  2. Step 2: Convert to fraction form
    12,237.13/16,886.42 = 7,200.37/x
  3. Step 3: Cross multiply
    12,237.13x = 16,886.42 × 7,200.37
  4. Step 4: Simplify right side
    12,237.13x = 121,588,387.54
  5. Step 5: Solve for x
    x = 121,588,387.54/12,237.13
  6. Step 6: Final answer
    x = 9,936.03

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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.