Home / 11,281.71-15,568.57-6,245.83

Finding the Fourth Proportional to 11,281.71, 15,568.57 and 6,245.83

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Solution

The fourth proportional to 11,281.71, 15,568.57 and 6,245.83 is: 8,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.71 : 15,568.57 = 6,245.83 : x
  2. Step 2: Convert to fraction form
    11,281.71/15,568.57 = 6,245.83/x
  3. Step 3: Cross multiply
    11,281.71x = 15,568.57 × 6,245.83
  4. Step 4: Simplify right side
    11,281.71x = 97,238,641.56
  5. Step 5: Solve for x
    x = 97,238,641.56/11,281.71
  6. Step 6: Final answer
    x = 8,619.14

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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.