Home / 8,996.41-12,415.07-5,017.78

Finding the Fourth Proportional to 8,996.41, 12,415.07 and 5,017.78

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Solution

The fourth proportional to 8,996.41, 12,415.07 and 5,017.78 is: 6,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.41 : 12,415.07 = 5,017.78 : x
  2. Step 2: Convert to fraction form
    8,996.41/12,415.07 = 5,017.78/x
  3. Step 3: Cross multiply
    8,996.41x = 12,415.07 × 5,017.78
  4. Step 4: Simplify right side
    8,996.41x = 62,296,047.81
  5. Step 5: Solve for x
    x = 62,296,047.81/8,996.41
  6. Step 6: Final answer
    x = 6,924.55

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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.