Home / 7,435.90-11,154.21-4,146.49

Finding the Fourth Proportional to 7,435.90, 11,154.21 and 4,146.49

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Solution

The fourth proportional to 7,435.90, 11,154.21 and 4,146.49 is: 6,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.90 : 11,154.21 = 4,146.49 : x
  2. Step 2: Convert to fraction form
    7,435.90/11,154.21 = 4,146.49/x
  3. Step 3: Cross multiply
    7,435.90x = 11,154.21 × 4,146.49
  4. Step 4: Simplify right side
    7,435.90x = 46,250,818.62
  5. Step 5: Solve for x
    x = 46,250,818.62/7,435.90
  6. Step 6: Final answer
    x = 6,219.93

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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.