Home / 7,435.40-11,153.10-3,328.52

Finding the Fourth Proportional to 7,435.40, 11,153.10 and 3,328.52

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Solution

The fourth proportional to 7,435.40, 11,153.10 and 3,328.52 is: 4,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.40 : 11,153.10 = 3,328.52 : x
  2. Step 2: Convert to fraction form
    7,435.40/11,153.10 = 3,328.52/x
  3. Step 3: Cross multiply
    7,435.40x = 11,153.10 × 3,328.52
  4. Step 4: Simplify right side
    7,435.40x = 37,123,316.41
  5. Step 5: Solve for x
    x = 37,123,316.41/7,435.40
  6. Step 6: Final answer
    x = 4,992.78

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Similar ratio
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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.