Home / 11,333.30-15,639.20-6,297.14

Finding the Fourth Proportional to 11,333.30, 15,639.20 and 6,297.14

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Solution

The fourth proportional to 11,333.30, 15,639.20 and 6,297.14 is: 8,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.30 : 15,639.20 = 6,297.14 : x
  2. Step 2: Convert to fraction form
    11,333.30/15,639.20 = 6,297.14/x
  3. Step 3: Cross multiply
    11,333.30x = 15,639.20 × 6,297.14
  4. Step 4: Simplify right side
    11,333.30x = 98,482,231.89
  5. Step 5: Solve for x
    x = 98,482,231.89/11,333.30
  6. Step 6: Final answer
    x = 8,689.63

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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.