Home / 10,040.10-13,855.43-5,563.91

Finding the Fourth Proportional to 10,040.10, 13,855.43 and 5,563.91

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Solution

The fourth proportional to 10,040.10, 13,855.43 and 5,563.91 is: 7,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.10 : 13,855.43 = 5,563.91 : x
  2. Step 2: Convert to fraction form
    10,040.10/13,855.43 = 5,563.91/x
  3. Step 3: Cross multiply
    10,040.10x = 13,855.43 × 5,563.91
  4. Step 4: Simplify right side
    10,040.10x = 77,090,310.16
  5. Step 5: Solve for x
    x = 77,090,310.16/10,040.10
  6. Step 6: Final answer
    x = 7,678.24

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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.