Home / 11,333.71-15,639.78-6,297.58

Finding the Fourth Proportional to 11,333.71, 15,639.78 and 6,297.58

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Solution

The fourth proportional to 11,333.71, 15,639.78 and 6,297.58 is: 8,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.71 : 15,639.78 = 6,297.58 : x
  2. Step 2: Convert to fraction form
    11,333.71/15,639.78 = 6,297.58/x
  3. Step 3: Cross multiply
    11,333.71x = 15,639.78 × 6,297.58
  4. Step 4: Simplify right side
    11,333.71x = 98,492,765.73
  5. Step 5: Solve for x
    x = 98,492,765.73/11,333.71
  6. Step 6: Final answer
    x = 8,690.25

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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.