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Finding the Fourth Proportional to 9,376.74, 12,928.14 and 6,013.62

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Solution

The fourth proportional to 9,376.74, 12,928.14 and 6,013.62 is: 8,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.74 : 12,928.14 = 6,013.62 : x
  2. Step 2: Convert to fraction form
    9,376.74/12,928.14 = 6,013.62/x
  3. Step 3: Cross multiply
    9,376.74x = 12,928.14 × 6,013.62
  4. Step 4: Simplify right side
    9,376.74x = 77,744,921.27
  5. Step 5: Solve for x
    x = 77,744,921.27/9,376.74
  6. Step 6: Final answer
    x = 8,291.25

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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.