Home / 7,649.02-11,477.58-6,615.73

Finding the Fourth Proportional to 7,649.02, 11,477.58 and 6,615.73

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Solution

The fourth proportional to 7,649.02, 11,477.58 and 6,615.73 is: 9,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.02 : 11,477.58 = 6,615.73 : x
  2. Step 2: Convert to fraction form
    7,649.02/11,477.58 = 6,615.73/x
  3. Step 3: Cross multiply
    7,649.02x = 11,477.58 × 6,615.73
  4. Step 4: Simplify right side
    7,649.02x = 75,932,570.33
  5. Step 5: Solve for x
    x = 75,932,570.33/7,649.02
  6. Step 6: Final answer
    x = 9,927.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.