Home / 7,673.90-11,511.08-2,993.72

Finding the Fourth Proportional to 7,673.90, 11,511.08 and 2,993.72

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Solution

The fourth proportional to 7,673.90, 11,511.08 and 2,993.72 is: 4,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.90 : 11,511.08 = 2,993.72 : x
  2. Step 2: Convert to fraction form
    7,673.90/11,511.08 = 2,993.72/x
  3. Step 3: Cross multiply
    7,673.90x = 11,511.08 × 2,993.72
  4. Step 4: Simplify right side
    7,673.90x = 34,460,877.89
  5. Step 5: Solve for x
    x = 34,460,877.89/7,673.90
  6. Step 6: Final answer
    x = 4,490.66

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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.