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Finding the Fourth Proportional to 8,365.98, 11,545.41 and 5,008.14

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Solution

The fourth proportional to 8,365.98, 11,545.41 and 5,008.14 is: 6,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.98 : 11,545.41 = 5,008.14 : x
  2. Step 2: Convert to fraction form
    8,365.98/11,545.41 = 5,008.14/x
  3. Step 3: Cross multiply
    8,365.98x = 11,545.41 × 5,008.14
  4. Step 4: Simplify right side
    8,365.98x = 57,821,017.12
  5. Step 5: Solve for x
    x = 57,821,017.12/8,365.98
  6. Step 6: Final answer
    x = 6,911.45

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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.