Home / 9,220.10-12,725.39-5,443.04

Finding the Fourth Proportional to 9,220.10, 12,725.39 and 5,443.04

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Solution

The fourth proportional to 9,220.10, 12,725.39 and 5,443.04 is: 7,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.10 : 12,725.39 = 5,443.04 : x
  2. Step 2: Convert to fraction form
    9,220.10/12,725.39 = 5,443.04/x
  3. Step 3: Cross multiply
    9,220.10x = 12,725.39 × 5,443.04
  4. Step 4: Simplify right side
    9,220.10x = 69,264,784.08
  5. Step 5: Solve for x
    x = 69,264,784.08/9,220.10
  6. Step 6: Final answer
    x = 7,512.37

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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.