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Finding the Fourth Proportional to 9,795.69, 13,521.12 and 6,258.89

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Solution

The fourth proportional to 9,795.69, 13,521.12 and 6,258.89 is: 8,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.69 : 13,521.12 = 6,258.89 : x
  2. Step 2: Convert to fraction form
    9,795.69/13,521.12 = 6,258.89/x
  3. Step 3: Cross multiply
    9,795.69x = 13,521.12 × 6,258.89
  4. Step 4: Simplify right side
    9,795.69x = 84,627,162.38
  5. Step 5: Solve for x
    x = 84,627,162.38/9,795.69
  6. Step 6: Final answer
    x = 8,639.23

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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.