Home / 10,365.51-15,549.81-3,343.22

Finding the Fourth Proportional to 10,365.51, 15,549.81 and 3,343.22

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Solution

The fourth proportional to 10,365.51, 15,549.81 and 3,343.22 is: 5,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.51 : 15,549.81 = 3,343.22 : x
  2. Step 2: Convert to fraction form
    10,365.51/15,549.81 = 3,343.22/x
  3. Step 3: Cross multiply
    10,365.51x = 15,549.81 × 3,343.22
  4. Step 4: Simplify right side
    10,365.51x = 51,986,358.04
  5. Step 5: Solve for x
    x = 51,986,358.04/10,365.51
  6. Step 6: Final answer
    x = 5,015.32

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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.