Home / 11,084.12-15,285.84-8,258.48

Finding the Fourth Proportional to 11,084.12, 15,285.84 and 8,258.48

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Solution

The fourth proportional to 11,084.12, 15,285.84 and 8,258.48 is: 11,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.12 : 15,285.84 = 8,258.48 : x
  2. Step 2: Convert to fraction form
    11,084.12/15,285.84 = 8,258.48/x
  3. Step 3: Cross multiply
    11,084.12x = 15,285.84 × 8,258.48
  4. Step 4: Simplify right side
    11,084.12x = 126,237,803.92
  5. Step 5: Solve for x
    x = 126,237,803.92/11,084.12
  6. Step 6: Final answer
    x = 11,389.07

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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.