Home / 7,645.21-10,550.50-4,458.41

Finding the Fourth Proportional to 7,645.21, 10,550.50 and 4,458.41

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Solution

The fourth proportional to 7,645.21, 10,550.50 and 4,458.41 is: 6,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.21 : 10,550.50 = 4,458.41 : x
  2. Step 2: Convert to fraction form
    7,645.21/10,550.50 = 4,458.41/x
  3. Step 3: Cross multiply
    7,645.21x = 10,550.50 × 4,458.41
  4. Step 4: Simplify right side
    7,645.21x = 47,038,489.72
  5. Step 5: Solve for x
    x = 47,038,489.72/7,645.21
  6. Step 6: Final answer
    x = 6,152.68

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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.