Home / 10,918.51-16,363.17-5,062.21

Finding the Fourth Proportional to 10,918.51, 16,363.17 and 5,062.21

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Solution

The fourth proportional to 10,918.51, 16,363.17 and 5,062.21 is: 7,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.51 : 16,363.17 = 5,062.21 : x
  2. Step 2: Convert to fraction form
    10,918.51/16,363.17 = 5,062.21/x
  3. Step 3: Cross multiply
    10,918.51x = 16,363.17 × 5,062.21
  4. Step 4: Simplify right side
    10,918.51x = 82,833,802.81
  5. Step 5: Solve for x
    x = 82,833,802.81/10,918.51
  6. Step 6: Final answer
    x = 7,586.55

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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.