Home / 11,246.84-15,520.54-6,211.40

Finding the Fourth Proportional to 11,246.84, 15,520.54 and 6,211.40

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Solution

The fourth proportional to 11,246.84, 15,520.54 and 6,211.40 is: 8,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.84 : 15,520.54 = 6,211.40 : x
  2. Step 2: Convert to fraction form
    11,246.84/15,520.54 = 6,211.40/x
  3. Step 3: Cross multiply
    11,246.84x = 15,520.54 × 6,211.40
  4. Step 4: Simplify right side
    11,246.84x = 96,404,173.50
  5. Step 5: Solve for x
    x = 96,404,173.50/11,246.84
  6. Step 6: Final answer
    x = 8,571.67

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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.