Home / 31,146.75-46,722.75-9,804.36

Finding the Fourth Proportional to 31,146.75, 46,722.75 and 9,804.36

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Solution

The fourth proportional to 31,146.75, 46,722.75 and 9,804.36 is: 14,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.75 : 46,722.75 = 9,804.36 : x
  2. Step 2: Convert to fraction form
    31,146.75/46,722.75 = 9,804.36/x
  3. Step 3: Cross multiply
    31,146.75x = 46,722.75 × 9,804.36
  4. Step 4: Simplify right side
    31,146.75x = 458,086,661.19
  5. Step 5: Solve for x
    x = 458,086,661.19/31,146.75
  6. Step 6: Final answer
    x = 14,707.37

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1.5x scale

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.