Home / 9,224.06-12,725.44-6,431.18

Finding the Fourth Proportional to 9,224.06, 12,725.44 and 6,431.18

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Solution

The fourth proportional to 9,224.06, 12,725.44 and 6,431.18 is: 8,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.06 : 12,725.44 = 6,431.18 : x
  2. Step 2: Convert to fraction form
    9,224.06/12,725.44 = 6,431.18/x
  3. Step 3: Cross multiply
    9,224.06x = 12,725.44 × 6,431.18
  4. Step 4: Simplify right side
    9,224.06x = 81,839,515.51
  5. Step 5: Solve for x
    x = 81,839,515.51/9,224.06
  6. Step 6: Final answer
    x = 8,872.40

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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.