Home / 10,382.56-15,572.18-2,985.33

Finding the Fourth Proportional to 10,382.56, 15,572.18 and 2,985.33

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Solution

The fourth proportional to 10,382.56, 15,572.18 and 2,985.33 is: 4,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.56 : 15,572.18 = 2,985.33 : x
  2. Step 2: Convert to fraction form
    10,382.56/15,572.18 = 2,985.33/x
  3. Step 3: Cross multiply
    10,382.56x = 15,572.18 × 2,985.33
  4. Step 4: Simplify right side
    10,382.56x = 46,488,161.98
  5. Step 5: Solve for x
    x = 46,488,161.98/10,382.56
  6. Step 6: Final answer
    x = 4,477.53

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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.