Home / 9,162.20-13,741.86-3,539.04

Finding the Fourth Proportional to 9,162.20, 13,741.86 and 3,539.04

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Solution

The fourth proportional to 9,162.20, 13,741.86 and 3,539.04 is: 5,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.20 : 13,741.86 = 3,539.04 : x
  2. Step 2: Convert to fraction form
    9,162.20/13,741.86 = 3,539.04/x
  3. Step 3: Cross multiply
    9,162.20x = 13,741.86 × 3,539.04
  4. Step 4: Simplify right side
    9,162.20x = 48,632,978.94
  5. Step 5: Solve for x
    x = 48,632,978.94/9,162.20
  6. Step 6: Final answer
    x = 5,308.00

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1.5x scale

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.