Home / 10,579.46-15,863.72-4,653.90

Finding the Fourth Proportional to 10,579.46, 15,863.72 and 4,653.90

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Solution

The fourth proportional to 10,579.46, 15,863.72 and 4,653.90 is: 6,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.46 : 15,863.72 = 4,653.90 : x
  2. Step 2: Convert to fraction form
    10,579.46/15,863.72 = 4,653.90/x
  3. Step 3: Cross multiply
    10,579.46x = 15,863.72 × 4,653.90
  4. Step 4: Simplify right side
    10,579.46x = 73,828,143.24
  5. Step 5: Solve for x
    x = 73,828,143.24/10,579.46
  6. Step 6: Final answer
    x = 6,978.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.