Home / 8,579.46-11,836.17-5,219.58

Finding the Fourth Proportional to 8,579.46, 11,836.17 and 5,219.58

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Solution

The fourth proportional to 8,579.46, 11,836.17 and 5,219.58 is: 7,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.46 : 11,836.17 = 5,219.58 : x
  2. Step 2: Convert to fraction form
    8,579.46/11,836.17 = 5,219.58/x
  3. Step 3: Cross multiply
    8,579.46x = 11,836.17 × 5,219.58
  4. Step 4: Simplify right side
    8,579.46x = 61,779,836.21
  5. Step 5: Solve for x
    x = 61,779,836.21/8,579.46
  6. Step 6: Final answer
    x = 7,200.90

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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.