Home / 8,384.75-11,576.03-5,554.54

Finding the Fourth Proportional to 8,384.75, 11,576.03 and 5,554.54

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Solution

The fourth proportional to 8,384.75, 11,576.03 and 5,554.54 is: 7,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.75 : 11,576.03 = 5,554.54 : x
  2. Step 2: Convert to fraction form
    8,384.75/11,576.03 = 5,554.54/x
  3. Step 3: Cross multiply
    8,384.75x = 11,576.03 × 5,554.54
  4. Step 4: Simplify right side
    8,384.75x = 64,299,506.62
  5. Step 5: Solve for x
    x = 64,299,506.62/8,384.75
  6. Step 6: Final answer
    x = 7,668.62

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Half scale
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Double scale
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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.