Home / 6,985.90-10,460.49-5,872.60

Finding the Fourth Proportional to 6,985.90, 10,460.49 and 5,872.60

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Solution

The fourth proportional to 6,985.90, 10,460.49 and 5,872.60 is: 8,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.90 : 10,460.49 = 5,872.60 : x
  2. Step 2: Convert to fraction form
    6,985.90/10,460.49 = 5,872.60/x
  3. Step 3: Cross multiply
    6,985.90x = 10,460.49 × 5,872.60
  4. Step 4: Simplify right side
    6,985.90x = 61,430,273.57
  5. Step 5: Solve for x
    x = 61,430,273.57/6,985.90
  6. Step 6: Final answer
    x = 8,793.47

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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.