Home / 11,196.08-15,436.68-9,684.08

Finding the Fourth Proportional to 11,196.08, 15,436.68 and 9,684.08

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Solution

The fourth proportional to 11,196.08, 15,436.68 and 9,684.08 is: 13,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.08 : 15,436.68 = 9,684.08 : x
  2. Step 2: Convert to fraction form
    11,196.08/15,436.68 = 9,684.08/x
  3. Step 3: Cross multiply
    11,196.08x = 15,436.68 × 9,684.08
  4. Step 4: Simplify right side
    11,196.08x = 149,490,044.05
  5. Step 5: Solve for x
    x = 149,490,044.05/11,196.08
  6. Step 6: Final answer
    x = 13,352.00

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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.