Home / 10,069.48-13,861.38-8,735.32

Finding the Fourth Proportional to 10,069.48, 13,861.38 and 8,735.32

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Solution

The fourth proportional to 10,069.48, 13,861.38 and 8,735.32 is: 12,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.48 : 13,861.38 = 8,735.32 : x
  2. Step 2: Convert to fraction form
    10,069.48/13,861.38 = 8,735.32/x
  3. Step 3: Cross multiply
    10,069.48x = 13,861.38 × 8,735.32
  4. Step 4: Simplify right side
    10,069.48x = 121,083,589.94
  5. Step 5: Solve for x
    x = 121,083,589.94/10,069.48
  6. Step 6: Final answer
    x = 12,024.81

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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.