Home / 6,423.02-9,636.40-2,207.32

Finding the Fourth Proportional to 6,423.02, 9,636.40 and 2,207.32

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Solution

The fourth proportional to 6,423.02, 9,636.40 and 2,207.32 is: 3,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.02 : 9,636.40 = 2,207.32 : x
  2. Step 2: Convert to fraction form
    6,423.02/9,636.40 = 2,207.32/x
  3. Step 3: Cross multiply
    6,423.02x = 9,636.40 × 2,207.32
  4. Step 4: Simplify right side
    6,423.02x = 21,270,644.07
  5. Step 5: Solve for x
    x = 21,270,644.07/6,423.02
  6. Step 6: Final answer
    x = 3,311.63

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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.