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Finding the Fourth Proportional to 8,798.63, 12,143.12 and 5,022.33

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Solution

The fourth proportional to 8,798.63, 12,143.12 and 5,022.33 is: 6,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.63 : 12,143.12 = 5,022.33 : x
  2. Step 2: Convert to fraction form
    8,798.63/12,143.12 = 5,022.33/x
  3. Step 3: Cross multiply
    8,798.63x = 12,143.12 × 5,022.33
  4. Step 4: Simplify right side
    8,798.63x = 60,986,719.37
  5. Step 5: Solve for x
    x = 60,986,719.37/8,798.63
  6. Step 6: Final answer
    x = 6,931.39

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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.