Home / 7,428.81-11,144.34-2,497.26

Finding the Fourth Proportional to 7,428.81, 11,144.34 and 2,497.26

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Solution

The fourth proportional to 7,428.81, 11,144.34 and 2,497.26 is: 3,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.81 : 11,144.34 = 2,497.26 : x
  2. Step 2: Convert to fraction form
    7,428.81/11,144.34 = 2,497.26/x
  3. Step 3: Cross multiply
    7,428.81x = 11,144.34 × 2,497.26
  4. Step 4: Simplify right side
    7,428.81x = 27,830,314.51
  5. Step 5: Solve for x
    x = 27,830,314.51/7,428.81
  6. Step 6: Final answer
    x = 3,746.27

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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.