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Finding the Fourth Proportional to 9,315.92, 12,848.76 and 6,797.03

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Solution

The fourth proportional to 9,315.92, 12,848.76 and 6,797.03 is: 9,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.92 : 12,848.76 = 6,797.03 : x
  2. Step 2: Convert to fraction form
    9,315.92/12,848.76 = 6,797.03/x
  3. Step 3: Cross multiply
    9,315.92x = 12,848.76 × 6,797.03
  4. Step 4: Simplify right side
    9,315.92x = 87,333,342.94
  5. Step 5: Solve for x
    x = 87,333,342.94/9,315.92
  6. Step 6: Final answer
    x = 9,374.63

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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.