Home / 11,215.47-15,365.25-10,795.08

Finding the Fourth Proportional to 11,215.47, 15,365.25 and 10,795.08

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Solution

The fourth proportional to 11,215.47, 15,365.25 and 10,795.08 is: 14,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.47 : 15,365.25 = 10,795.08 : x
  2. Step 2: Convert to fraction form
    11,215.47/15,365.25 = 10,795.08/x
  3. Step 3: Cross multiply
    11,215.47x = 15,365.25 × 10,795.08
  4. Step 4: Simplify right side
    11,215.47x = 165,869,102.97
  5. Step 5: Solve for x
    x = 165,869,102.97/11,215.47
  6. Step 6: Final answer
    x = 14,789.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.