Home / 10,884.36-15,020.43-5,916.36

Finding the Fourth Proportional to 10,884.36, 15,020.43 and 5,916.36

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Solution

The fourth proportional to 10,884.36, 15,020.43 and 5,916.36 is: 8,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.36 : 15,020.43 = 5,916.36 : x
  2. Step 2: Convert to fraction form
    10,884.36/15,020.43 = 5,916.36/x
  3. Step 3: Cross multiply
    10,884.36x = 15,020.43 × 5,916.36
  4. Step 4: Simplify right side
    10,884.36x = 88,866,271.23
  5. Step 5: Solve for x
    x = 88,866,271.23/10,884.36
  6. Step 6: Final answer
    x = 8,164.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.