Home / 6,644.02-9,118.20-6,114.10

Finding the Fourth Proportional to 6,644.02, 9,118.20 and 6,114.10

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Solution

The fourth proportional to 6,644.02, 9,118.20 and 6,114.10 is: 8,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.02 : 9,118.20 = 6,114.10 : x
  2. Step 2: Convert to fraction form
    6,644.02/9,118.20 = 6,114.10/x
  3. Step 3: Cross multiply
    6,644.02x = 9,118.20 × 6,114.10
  4. Step 4: Simplify right side
    6,644.02x = 55,749,586.62
  5. Step 5: Solve for x
    x = 55,749,586.62/6,644.02
  6. Step 6: Final answer
    x = 8,390.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.