Home / 11,025.81-15,216.35-6,245.69

Finding the Fourth Proportional to 11,025.81, 15,216.35 and 6,245.69

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Solution

The fourth proportional to 11,025.81, 15,216.35 and 6,245.69 is: 8,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.81 : 15,216.35 = 6,245.69 : x
  2. Step 2: Convert to fraction form
    11,025.81/15,216.35 = 6,245.69/x
  3. Step 3: Cross multiply
    11,025.81x = 15,216.35 × 6,245.69
  4. Step 4: Simplify right side
    11,025.81x = 95,036,497.72
  5. Step 5: Solve for x
    x = 95,036,497.72/11,025.81
  6. Step 6: Final answer
    x = 8,619.46

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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.