Home / 11,870.70-17,804.48-5,295.36

Finding the Fourth Proportional to 11,870.70, 17,804.48 and 5,295.36

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Solution

The fourth proportional to 11,870.70, 17,804.48 and 5,295.36 is: 7,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.70 : 17,804.48 = 5,295.36 : x
  2. Step 2: Convert to fraction form
    11,870.70/17,804.48 = 5,295.36/x
  3. Step 3: Cross multiply
    11,870.70x = 17,804.48 × 5,295.36
  4. Step 4: Simplify right side
    11,870.70x = 94,281,131.21
  5. Step 5: Solve for x
    x = 94,281,131.21/11,870.70
  6. Step 6: Final answer
    x = 7,942.34

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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.