Home / 12,370.51-18,555.81-3,010.53

Finding the Fourth Proportional to 12,370.51, 18,555.81 and 3,010.53

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Solution

The fourth proportional to 12,370.51, 18,555.81 and 3,010.53 is: 4,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.51 : 18,555.81 = 3,010.53 : x
  2. Step 2: Convert to fraction form
    12,370.51/18,555.81 = 3,010.53/x
  3. Step 3: Cross multiply
    12,370.51x = 18,555.81 × 3,010.53
  4. Step 4: Simplify right side
    12,370.51x = 55,862,889.44
  5. Step 5: Solve for x
    x = 55,862,889.44/12,370.51
  6. Step 6: Final answer
    x = 4,515.81

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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.