Home / 7,748.63-11,622.56-4,245.48

Finding the Fourth Proportional to 7,748.63, 11,622.56 and 4,245.48

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Solution

The fourth proportional to 7,748.63, 11,622.56 and 4,245.48 is: 6,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.63 : 11,622.56 = 4,245.48 : x
  2. Step 2: Convert to fraction form
    7,748.63/11,622.56 = 4,245.48/x
  3. Step 3: Cross multiply
    7,748.63x = 11,622.56 × 4,245.48
  4. Step 4: Simplify right side
    7,748.63x = 49,343,369.43
  5. Step 5: Solve for x
    x = 49,343,369.43/7,748.63
  6. Step 6: Final answer
    x = 6,368.01

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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.