Home / 9,749.45-13,454.22-5,500.50

Finding the Fourth Proportional to 9,749.45, 13,454.22 and 5,500.50

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Solution

The fourth proportional to 9,749.45, 13,454.22 and 5,500.50 is: 7,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.45 : 13,454.22 = 5,500.50 : x
  2. Step 2: Convert to fraction form
    9,749.45/13,454.22 = 5,500.50/x
  3. Step 3: Cross multiply
    9,749.45x = 13,454.22 × 5,500.50
  4. Step 4: Simplify right side
    9,749.45x = 74,004,937.11
  5. Step 5: Solve for x
    x = 74,004,937.11/9,749.45
  6. Step 6: Final answer
    x = 7,590.68

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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.