Home / 10,443.75-15,665.61-3,048.81

Finding the Fourth Proportional to 10,443.75, 15,665.61 and 3,048.81

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Solution

The fourth proportional to 10,443.75, 15,665.61 and 3,048.81 is: 4,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.75 : 15,665.61 = 3,048.81 : x
  2. Step 2: Convert to fraction form
    10,443.75/15,665.61 = 3,048.81/x
  3. Step 3: Cross multiply
    10,443.75x = 15,665.61 × 3,048.81
  4. Step 4: Simplify right side
    10,443.75x = 47,761,421.11
  5. Step 5: Solve for x
    x = 47,761,421.11/10,443.75
  6. Step 6: Final answer
    x = 4,573.21

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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.