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Finding the Fourth Proportional to 9,497.03, 13,106.39 and 5,721.38

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Solution

The fourth proportional to 9,497.03, 13,106.39 and 5,721.38 is: 7,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,497.03 : 13,106.39 = 5,721.38 : x
  2. Step 2: Convert to fraction form
    9,497.03/13,106.39 = 5,721.38/x
  3. Step 3: Cross multiply
    9,497.03x = 13,106.39 × 5,721.38
  4. Step 4: Simplify right side
    9,497.03x = 74,986,543.48
  5. Step 5: Solve for x
    x = 74,986,543.48/9,497.03
  6. Step 6: Final answer
    x = 7,895.79

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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.