Home / 10,830.63-16,230.54-4,819.35

Finding the Fourth Proportional to 10,830.63, 16,230.54 and 4,819.35

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Solution

The fourth proportional to 10,830.63, 16,230.54 and 4,819.35 is: 7,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.63 : 16,230.54 = 4,819.35 : x
  2. Step 2: Convert to fraction form
    10,830.63/16,230.54 = 4,819.35/x
  3. Step 3: Cross multiply
    10,830.63x = 16,230.54 × 4,819.35
  4. Step 4: Simplify right side
    10,830.63x = 78,220,652.95
  5. Step 5: Solve for x
    x = 78,220,652.95/10,830.63
  6. Step 6: Final answer
    x = 7,222.17

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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.