Home / 10,822.26-16,261.74-9,439.05

Finding the Fourth Proportional to 10,822.26, 16,261.74 and 9,439.05

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Solution

The fourth proportional to 10,822.26, 16,261.74 and 9,439.05 is: 14,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.26 : 16,261.74 = 9,439.05 : x
  2. Step 2: Convert to fraction form
    10,822.26/16,261.74 = 9,439.05/x
  3. Step 3: Cross multiply
    10,822.26x = 16,261.74 × 9,439.05
  4. Step 4: Simplify right side
    10,822.26x = 153,495,376.95
  5. Step 5: Solve for x
    x = 153,495,376.95/10,822.26
  6. Step 6: Final answer
    x = 14,183.30

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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.