Home / 8,621.44-11,897.48-4,845.24

Finding the Fourth Proportional to 8,621.44, 11,897.48 and 4,845.24

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Solution

The fourth proportional to 8,621.44, 11,897.48 and 4,845.24 is: 6,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.44 : 11,897.48 = 4,845.24 : x
  2. Step 2: Convert to fraction form
    8,621.44/11,897.48 = 4,845.24/x
  3. Step 3: Cross multiply
    8,621.44x = 11,897.48 × 4,845.24
  4. Step 4: Simplify right side
    8,621.44x = 57,646,173.89
  5. Step 5: Solve for x
    x = 57,646,173.89/8,621.44
  6. Step 6: Final answer
    x = 6,686.38

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Half scale
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Double scale
Find fourth proportional to 8,622.44, 11,898.86 and 4,846.24
Similar ratio
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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.