Home / 7,236.10-9,985.77-4,092.30

Finding the Fourth Proportional to 7,236.10, 9,985.77 and 4,092.30

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Solution

The fourth proportional to 7,236.10, 9,985.77 and 4,092.30 is: 5,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.10 : 9,985.77 = 4,092.30 : x
  2. Step 2: Convert to fraction form
    7,236.10/9,985.77 = 4,092.30/x
  3. Step 3: Cross multiply
    7,236.10x = 9,985.77 × 4,092.30
  4. Step 4: Simplify right side
    7,236.10x = 40,864,766.57
  5. Step 5: Solve for x
    x = 40,864,766.57/7,236.10
  6. Step 6: Final answer
    x = 5,647.35

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1.5x scale

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.