Home / 8,365.19-12,539.55-5,403.16

Finding the Fourth Proportional to 8,365.19, 12,539.55 and 5,403.16

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Solution

The fourth proportional to 8,365.19, 12,539.55 and 5,403.16 is: 8,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.19 : 12,539.55 = 5,403.16 : x
  2. Step 2: Convert to fraction form
    8,365.19/12,539.55 = 5,403.16/x
  3. Step 3: Cross multiply
    8,365.19x = 12,539.55 × 5,403.16
  4. Step 4: Simplify right side
    8,365.19x = 67,753,194.98
  5. Step 5: Solve for x
    x = 67,753,194.98/8,365.19
  6. Step 6: Final answer
    x = 8,099.42

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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.