Home / 11,424.30-15,767.36-6,708.54

Finding the Fourth Proportional to 11,424.30, 15,767.36 and 6,708.54

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Solution

The fourth proportional to 11,424.30, 15,767.36 and 6,708.54 is: 9,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.30 : 15,767.36 = 6,708.54 : x
  2. Step 2: Convert to fraction form
    11,424.30/15,767.36 = 6,708.54/x
  3. Step 3: Cross multiply
    11,424.30x = 15,767.36 × 6,708.54
  4. Step 4: Simplify right side
    11,424.30x = 105,775,965.25
  5. Step 5: Solve for x
    x = 105,775,965.25/11,424.30
  6. Step 6: Final answer
    x = 9,258.86

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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.