Home / 9,883.33-13,639.05-5,576.46

Finding the Fourth Proportional to 9,883.33, 13,639.05 and 5,576.46

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Solution

The fourth proportional to 9,883.33, 13,639.05 and 5,576.46 is: 7,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.33 : 13,639.05 = 5,576.46 : x
  2. Step 2: Convert to fraction form
    9,883.33/13,639.05 = 5,576.46/x
  3. Step 3: Cross multiply
    9,883.33x = 13,639.05 × 5,576.46
  4. Step 4: Simplify right side
    9,883.33x = 76,057,616.76
  5. Step 5: Solve for x
    x = 76,057,616.76/9,883.33
  6. Step 6: Final answer
    x = 7,695.55

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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.