Home / 8,954.51-13,430.54-2,380.14

Finding the Fourth Proportional to 8,954.51, 13,430.54 and 2,380.14

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Solution

The fourth proportional to 8,954.51, 13,430.54 and 2,380.14 is: 3,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.51 : 13,430.54 = 2,380.14 : x
  2. Step 2: Convert to fraction form
    8,954.51/13,430.54 = 2,380.14/x
  3. Step 3: Cross multiply
    8,954.51x = 13,430.54 × 2,380.14
  4. Step 4: Simplify right side
    8,954.51x = 31,966,571.43
  5. Step 5: Solve for x
    x = 31,966,571.43/8,954.51
  6. Step 6: Final answer
    x = 3,569.89

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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.