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Finding the Fourth Proportional to 10,873.73, 15,007.94 and 7,097.51

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Solution

The fourth proportional to 10,873.73, 15,007.94 and 7,097.51 is: 9,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.73 : 15,007.94 = 7,097.51 : x
  2. Step 2: Convert to fraction form
    10,873.73/15,007.94 = 7,097.51/x
  3. Step 3: Cross multiply
    10,873.73x = 15,007.94 × 7,097.51
  4. Step 4: Simplify right side
    10,873.73x = 106,518,893.70
  5. Step 5: Solve for x
    x = 106,518,893.70/10,873.73
  6. Step 6: Final answer
    x = 9,795.99

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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.