Home / 10,301.81-15,453.48-2,806.66

Finding the Fourth Proportional to 10,301.81, 15,453.48 and 2,806.66

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Solution

The fourth proportional to 10,301.81, 15,453.48 and 2,806.66 is: 4,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.81 : 15,453.48 = 2,806.66 : x
  2. Step 2: Convert to fraction form
    10,301.81/15,453.48 = 2,806.66/x
  3. Step 3: Cross multiply
    10,301.81x = 15,453.48 × 2,806.66
  4. Step 4: Simplify right side
    10,301.81x = 43,372,586.91
  5. Step 5: Solve for x
    x = 43,372,586.91/10,301.81
  6. Step 6: Final answer
    x = 4,210.19

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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.