Home / 9,839.63-13,569.84-6,481.23

Finding the Fourth Proportional to 9,839.63, 13,569.84 and 6,481.23

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Solution

The fourth proportional to 9,839.63, 13,569.84 and 6,481.23 is: 8,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.63 : 13,569.84 = 6,481.23 : x
  2. Step 2: Convert to fraction form
    9,839.63/13,569.84 = 6,481.23/x
  3. Step 3: Cross multiply
    9,839.63x = 13,569.84 × 6,481.23
  4. Step 4: Simplify right side
    9,839.63x = 87,949,254.10
  5. Step 5: Solve for x
    x = 87,949,254.10/9,839.63
  6. Step 6: Final answer
    x = 8,938.27

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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.