Home / 11,090.45-15,306.37-6,374.63

Finding the Fourth Proportional to 11,090.45, 15,306.37 and 6,374.63

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Solution

The fourth proportional to 11,090.45, 15,306.37 and 6,374.63 is: 8,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.45 : 15,306.37 = 6,374.63 : x
  2. Step 2: Convert to fraction form
    11,090.45/15,306.37 = 6,374.63/x
  3. Step 3: Cross multiply
    11,090.45x = 15,306.37 × 6,374.63
  4. Step 4: Simplify right side
    11,090.45x = 97,572,413.52
  5. Step 5: Solve for x
    x = 97,572,413.52/11,090.45
  6. Step 6: Final answer
    x = 8,797.88

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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.