Home / 10,443.56-15,662.23-3,045.66

Finding the Fourth Proportional to 10,443.56, 15,662.23 and 3,045.66

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Solution

The fourth proportional to 10,443.56, 15,662.23 and 3,045.66 is: 4,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.56 : 15,662.23 = 3,045.66 : x
  2. Step 2: Convert to fraction form
    10,443.56/15,662.23 = 3,045.66/x
  3. Step 3: Cross multiply
    10,443.56x = 15,662.23 × 3,045.66
  4. Step 4: Simplify right side
    10,443.56x = 47,701,761.07
  5. Step 5: Solve for x
    x = 47,701,761.07/10,443.56
  6. Step 6: Final answer
    x = 4,567.58

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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.