Home / 11,064.67-15,258.98-8,238.98

Finding the Fourth Proportional to 11,064.67, 15,258.98 and 8,238.98

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Solution

The fourth proportional to 11,064.67, 15,258.98 and 8,238.98 is: 11,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.67 : 15,258.98 = 8,238.98 : x
  2. Step 2: Convert to fraction form
    11,064.67/15,258.98 = 8,238.98/x
  3. Step 3: Cross multiply
    11,064.67x = 15,258.98 × 8,238.98
  4. Step 4: Simplify right side
    11,064.67x = 125,718,489.79
  5. Step 5: Solve for x
    x = 125,718,489.79/11,064.67
  6. Step 6: Final answer
    x = 11,362.16

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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.