Home / 7,478.01-11,193.30-4,181.10

Finding the Fourth Proportional to 7,478.01, 11,193.30 and 4,181.10

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Solution

The fourth proportional to 7,478.01, 11,193.30 and 4,181.10 is: 6,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.01 : 11,193.30 = 4,181.10 : x
  2. Step 2: Convert to fraction form
    7,478.01/11,193.30 = 4,181.10/x
  3. Step 3: Cross multiply
    7,478.01x = 11,193.30 × 4,181.10
  4. Step 4: Simplify right side
    7,478.01x = 46,800,306.63
  5. Step 5: Solve for x
    x = 46,800,306.63/7,478.01
  6. Step 6: Final answer
    x = 6,258.39

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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.