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Finding the Fourth Proportional to 9,287.04, 12,813.32 and 5,698.32

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Solution

The fourth proportional to 9,287.04, 12,813.32 and 5,698.32 is: 7,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.04 : 12,813.32 = 5,698.32 : x
  2. Step 2: Convert to fraction form
    9,287.04/12,813.32 = 5,698.32/x
  3. Step 3: Cross multiply
    9,287.04x = 12,813.32 × 5,698.32
  4. Step 4: Simplify right side
    9,287.04x = 73,014,397.62
  5. Step 5: Solve for x
    x = 73,014,397.62/9,287.04
  6. Step 6: Final answer
    x = 7,861.97

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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.