Home / 11,192.09-15,436.98-6,945.62

Finding the Fourth Proportional to 11,192.09, 15,436.98 and 6,945.62

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Solution

The fourth proportional to 11,192.09, 15,436.98 and 6,945.62 is: 9,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.09 : 15,436.98 = 6,945.62 : x
  2. Step 2: Convert to fraction form
    11,192.09/15,436.98 = 6,945.62/x
  3. Step 3: Cross multiply
    11,192.09x = 15,436.98 × 6,945.62
  4. Step 4: Simplify right side
    11,192.09x = 107,219,319.84
  5. Step 5: Solve for x
    x = 107,219,319.84/11,192.09
  6. Step 6: Final answer
    x = 9,579.92

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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.