Home / 11,258.85-15,537.75-6,783.99

Finding the Fourth Proportional to 11,258.85, 15,537.75 and 6,783.99

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Solution

The fourth proportional to 11,258.85, 15,537.75 and 6,783.99 is: 9,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.85 : 15,537.75 = 6,783.99 : x
  2. Step 2: Convert to fraction form
    11,258.85/15,537.75 = 6,783.99/x
  3. Step 3: Cross multiply
    11,258.85x = 15,537.75 × 6,783.99
  4. Step 4: Simplify right side
    11,258.85x = 105,407,940.62
  5. Step 5: Solve for x
    x = 105,407,940.62/11,258.85
  6. Step 6: Final answer
    x = 9,362.23

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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.