Home / 9,837.78-13,576.20-5,859.06

Finding the Fourth Proportional to 9,837.78, 13,576.20 and 5,859.06

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Solution

The fourth proportional to 9,837.78, 13,576.20 and 5,859.06 is: 8,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.78 : 13,576.20 = 5,859.06 : x
  2. Step 2: Convert to fraction form
    9,837.78/13,576.20 = 5,859.06/x
  3. Step 3: Cross multiply
    9,837.78x = 13,576.20 × 5,859.06
  4. Step 4: Simplify right side
    9,837.78x = 79,543,770.37
  5. Step 5: Solve for x
    x = 79,543,770.37/9,837.78
  6. Step 6: Final answer
    x = 8,085.54

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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.