Home / 10,583.10-15,881.40-5,042.70

Finding the Fourth Proportional to 10,583.10, 15,881.40 and 5,042.70

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Solution

The fourth proportional to 10,583.10, 15,881.40 and 5,042.70 is: 7,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.10 : 15,881.40 = 5,042.70 : x
  2. Step 2: Convert to fraction form
    10,583.10/15,881.40 = 5,042.70/x
  3. Step 3: Cross multiply
    10,583.10x = 15,881.40 × 5,042.70
  4. Step 4: Simplify right side
    10,583.10x = 80,085,135.78
  5. Step 5: Solve for x
    x = 80,085,135.78/10,583.10
  6. Step 6: Final answer
    x = 7,567.27

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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.