Home / 10,819.71-16,235.91-4,579.34

Finding the Fourth Proportional to 10,819.71, 16,235.91 and 4,579.34

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Solution

The fourth proportional to 10,819.71, 16,235.91 and 4,579.34 is: 6,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.71 : 16,235.91 = 4,579.34 : x
  2. Step 2: Convert to fraction form
    10,819.71/16,235.91 = 4,579.34/x
  3. Step 3: Cross multiply
    10,819.71x = 16,235.91 × 4,579.34
  4. Step 4: Simplify right side
    10,819.71x = 74,349,670.92
  5. Step 5: Solve for x
    x = 74,349,670.92/10,819.71
  6. Step 6: Final answer
    x = 6,871.69

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1.5x scale

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.