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Finding the Fourth Proportional to 7,651.90, 11,467.07 and 6,084.95

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Solution

The fourth proportional to 7,651.90, 11,467.07 and 6,084.95 is: 9,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.90 : 11,467.07 = 6,084.95 : x
  2. Step 2: Convert to fraction form
    7,651.90/11,467.07 = 6,084.95/x
  3. Step 3: Cross multiply
    7,651.90x = 11,467.07 × 6,084.95
  4. Step 4: Simplify right side
    7,651.90x = 69,776,547.60
  5. Step 5: Solve for x
    x = 69,776,547.60/7,651.90
  6. Step 6: Final answer
    x = 9,118.85

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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.