Home / 11,245.03-15,518.21-6,140.58

Finding the Fourth Proportional to 11,245.03, 15,518.21 and 6,140.58

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Solution

The fourth proportional to 11,245.03, 15,518.21 and 6,140.58 is: 8,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.03 : 15,518.21 = 6,140.58 : x
  2. Step 2: Convert to fraction form
    11,245.03/15,518.21 = 6,140.58/x
  3. Step 3: Cross multiply
    11,245.03x = 15,518.21 × 6,140.58
  4. Step 4: Simplify right side
    11,245.03x = 95,290,771.17
  5. Step 5: Solve for x
    x = 95,290,771.17/11,245.03
  6. Step 6: Final answer
    x = 8,474.04

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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.