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Finding the Fourth Proportional to 9,287.74, 12,816.93 and 5,095.90

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Solution

The fourth proportional to 9,287.74, 12,816.93 and 5,095.90 is: 7,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.74 : 12,816.93 = 5,095.90 : x
  2. Step 2: Convert to fraction form
    9,287.74/12,816.93 = 5,095.90/x
  3. Step 3: Cross multiply
    9,287.74x = 12,816.93 × 5,095.90
  4. Step 4: Simplify right side
    9,287.74x = 65,313,793.59
  5. Step 5: Solve for x
    x = 65,313,793.59/9,287.74
  6. Step 6: Final answer
    x = 7,032.26

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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.