Home / 7,648.54-10,556.43-4,998.22

Finding the Fourth Proportional to 7,648.54, 10,556.43 and 4,998.22

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Solution

The fourth proportional to 7,648.54, 10,556.43 and 4,998.22 is: 6,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.54 : 10,556.43 = 4,998.22 : x
  2. Step 2: Convert to fraction form
    7,648.54/10,556.43 = 4,998.22/x
  3. Step 3: Cross multiply
    7,648.54x = 10,556.43 × 4,998.22
  4. Step 4: Simplify right side
    7,648.54x = 52,763,359.55
  5. Step 5: Solve for x
    x = 52,763,359.55/7,648.54
  6. Step 6: Final answer
    x = 6,898.49

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Half scale
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Double scale
Find fourth proportional to 7,649.54, 10,557.81 and 4,999.22
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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.