Home / 8,579.14-11,835.72-5,219.26

Finding the Fourth Proportional to 8,579.14, 11,835.72 and 5,219.26

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Solution

The fourth proportional to 8,579.14, 11,835.72 and 5,219.26 is: 7,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.14 : 11,835.72 = 5,219.26 : x
  2. Step 2: Convert to fraction form
    8,579.14/11,835.72 = 5,219.26/x
  3. Step 3: Cross multiply
    8,579.14x = 11,835.72 × 5,219.26
  4. Step 4: Simplify right side
    8,579.14x = 61,773,699.97
  5. Step 5: Solve for x
    x = 61,773,699.97/8,579.14
  6. Step 6: Final answer
    x = 7,200.45

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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.