Home / 10,442.25-15,663.37-3,047.31

Finding the Fourth Proportional to 10,442.25, 15,663.37 and 3,047.31

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Solution

The fourth proportional to 10,442.25, 15,663.37 and 3,047.31 is: 4,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.25 : 15,663.37 = 3,047.31 : x
  2. Step 2: Convert to fraction form
    10,442.25/15,663.37 = 3,047.31/x
  3. Step 3: Cross multiply
    10,442.25x = 15,663.37 × 3,047.31
  4. Step 4: Simplify right side
    10,442.25x = 47,731,065.72
  5. Step 5: Solve for x
    x = 47,731,065.72/10,442.25
  6. Step 6: Final answer
    x = 4,570.96

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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.