Home / 10,579.74-15,867.60-5,313.33

Finding the Fourth Proportional to 10,579.74, 15,867.60 and 5,313.33

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Solution

The fourth proportional to 10,579.74, 15,867.60 and 5,313.33 is: 7,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.74 : 15,867.60 = 5,313.33 : x
  2. Step 2: Convert to fraction form
    10,579.74/15,867.60 = 5,313.33/x
  3. Step 3: Cross multiply
    10,579.74x = 15,867.60 × 5,313.33
  4. Step 4: Simplify right side
    10,579.74x = 84,309,795.11
  5. Step 5: Solve for x
    x = 84,309,795.11/10,579.74
  6. Step 6: Final answer
    x = 7,968.99

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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.