Home / 7,369.90-10,170.65-4,012.85

Finding the Fourth Proportional to 7,369.90, 10,170.65 and 4,012.85

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Solution

The fourth proportional to 7,369.90, 10,170.65 and 4,012.85 is: 5,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.90 : 10,170.65 = 4,012.85 : x
  2. Step 2: Convert to fraction form
    7,369.90/10,170.65 = 4,012.85/x
  3. Step 3: Cross multiply
    7,369.90x = 10,170.65 × 4,012.85
  4. Step 4: Simplify right side
    7,369.90x = 40,813,328.31
  5. Step 5: Solve for x
    x = 40,813,328.31/7,369.90
  6. Step 6: Final answer
    x = 5,537.84

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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.