Home / 8,580.46-11,837.55-5,220.58

Finding the Fourth Proportional to 8,580.46, 11,837.55 and 5,220.58

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Solution

The fourth proportional to 8,580.46, 11,837.55 and 5,220.58 is: 7,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.46 : 11,837.55 = 5,220.58 : x
  2. Step 2: Convert to fraction form
    8,580.46/11,837.55 = 5,220.58/x
  3. Step 3: Cross multiply
    8,580.46x = 11,837.55 × 5,220.58
  4. Step 4: Simplify right side
    8,580.46x = 61,798,876.78
  5. Step 5: Solve for x
    x = 61,798,876.78/8,580.46
  6. Step 6: Final answer
    x = 7,202.28

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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.