Home / 8,997.18-12,415.64-5,017.54

Finding the Fourth Proportional to 8,997.18, 12,415.64 and 5,017.54

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Solution

The fourth proportional to 8,997.18, 12,415.64 and 5,017.54 is: 6,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.18 : 12,415.64 = 5,017.54 : x
  2. Step 2: Convert to fraction form
    8,997.18/12,415.64 = 5,017.54/x
  3. Step 3: Cross multiply
    8,997.18x = 12,415.64 × 5,017.54
  4. Step 4: Simplify right side
    8,997.18x = 62,295,970.33
  5. Step 5: Solve for x
    x = 62,295,970.33/8,997.18
  6. Step 6: Final answer
    x = 6,923.94

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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.