Home / 10,819.01-14,930.43-6,345.99

Finding the Fourth Proportional to 10,819.01, 14,930.43 and 6,345.99

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Solution

The fourth proportional to 10,819.01, 14,930.43 and 6,345.99 is: 8,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.01 : 14,930.43 = 6,345.99 : x
  2. Step 2: Convert to fraction form
    10,819.01/14,930.43 = 6,345.99/x
  3. Step 3: Cross multiply
    10,819.01x = 14,930.43 × 6,345.99
  4. Step 4: Simplify right side
    10,819.01x = 94,748,359.48
  5. Step 5: Solve for x
    x = 94,748,359.48/10,819.01
  6. Step 6: Final answer
    x = 8,757.58

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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.