Home / 7,349.76-11,025.60-2,155.68

Finding the Fourth Proportional to 7,349.76, 11,025.60 and 2,155.68

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Solution

The fourth proportional to 7,349.76, 11,025.60 and 2,155.68 is: 3,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.76 : 11,025.60 = 2,155.68 : x
  2. Step 2: Convert to fraction form
    7,349.76/11,025.60 = 2,155.68/x
  3. Step 3: Cross multiply
    7,349.76x = 11,025.60 × 2,155.68
  4. Step 4: Simplify right side
    7,349.76x = 23,767,665.41
  5. Step 5: Solve for x
    x = 23,767,665.41/7,349.76
  6. Step 6: Final answer
    x = 3,233.80

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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.