Home / 11,043.88-15,233.84-7,009.28

Finding the Fourth Proportional to 11,043.88, 15,233.84 and 7,009.28

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Solution

The fourth proportional to 11,043.88, 15,233.84 and 7,009.28 is: 9,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.88 : 15,233.84 = 7,009.28 : x
  2. Step 2: Convert to fraction form
    11,043.88/15,233.84 = 7,009.28/x
  3. Step 3: Cross multiply
    11,043.88x = 15,233.84 × 7,009.28
  4. Step 4: Simplify right side
    11,043.88x = 106,778,250.04
  5. Step 5: Solve for x
    x = 106,778,250.04/11,043.88
  6. Step 6: Final answer
    x = 9,668.54

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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.