Home / 7,338.60-10,123.46-4,645.25

Finding the Fourth Proportional to 7,338.60, 10,123.46 and 4,645.25

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Solution

The fourth proportional to 7,338.60, 10,123.46 and 4,645.25 is: 6,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.60 : 10,123.46 = 4,645.25 : x
  2. Step 2: Convert to fraction form
    7,338.60/10,123.46 = 4,645.25/x
  3. Step 3: Cross multiply
    7,338.60x = 10,123.46 × 4,645.25
  4. Step 4: Simplify right side
    7,338.60x = 47,025,951.95
  5. Step 5: Solve for x
    x = 47,025,951.95/7,338.60
  6. Step 6: Final answer
    x = 6,408.03

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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.