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Finding the Fourth Proportional to 7,009.69, 10,502.21 and 6,246.97

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Solution

The fourth proportional to 7,009.69, 10,502.21 and 6,246.97 is: 9,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.69 : 10,502.21 = 6,246.97 : x
  2. Step 2: Convert to fraction form
    7,009.69/10,502.21 = 6,246.97/x
  3. Step 3: Cross multiply
    7,009.69x = 10,502.21 × 6,246.97
  4. Step 4: Simplify right side
    7,009.69x = 65,607,004.10
  5. Step 5: Solve for x
    x = 65,607,004.10/7,009.69
  6. Step 6: Final answer
    x = 9,359.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.