Home / 11,276.24-15,560.83-6,240.67

Finding the Fourth Proportional to 11,276.24, 15,560.83 and 6,240.67

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Solution

The fourth proportional to 11,276.24, 15,560.83 and 6,240.67 is: 8,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.24 : 15,560.83 = 6,240.67 : x
  2. Step 2: Convert to fraction form
    11,276.24/15,560.83 = 6,240.67/x
  3. Step 3: Cross multiply
    11,276.24x = 15,560.83 × 6,240.67
  4. Step 4: Simplify right side
    11,276.24x = 97,109,973.75
  5. Step 5: Solve for x
    x = 97,109,973.75/11,276.24
  6. Step 6: Final answer
    x = 8,611.91

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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.