Home / 7,415.46-11,123.33-3,465.63

Finding the Fourth Proportional to 7,415.46, 11,123.33 and 3,465.63

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Solution

The fourth proportional to 7,415.46, 11,123.33 and 3,465.63 is: 5,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.46 : 11,123.33 = 3,465.63 : x
  2. Step 2: Convert to fraction form
    7,415.46/11,123.33 = 3,465.63/x
  3. Step 3: Cross multiply
    7,415.46x = 11,123.33 × 3,465.63
  4. Step 4: Simplify right side
    7,415.46x = 38,549,396.52
  5. Step 5: Solve for x
    x = 38,549,396.52/7,415.46
  6. Step 6: Final answer
    x = 5,198.52

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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.