Home / 11,333.43-15,639.84-6,297.51

Finding the Fourth Proportional to 11,333.43, 15,639.84 and 6,297.51

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Solution

The fourth proportional to 11,333.43, 15,639.84 and 6,297.51 is: 8,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.43 : 15,639.84 = 6,297.51 : x
  2. Step 2: Convert to fraction form
    11,333.43/15,639.84 = 6,297.51/x
  3. Step 3: Cross multiply
    11,333.43x = 15,639.84 × 6,297.51
  4. Step 4: Simplify right side
    11,333.43x = 98,492,048.80
  5. Step 5: Solve for x
    x = 98,492,048.80/11,333.43
  6. Step 6: Final answer
    x = 8,690.40

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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.