Home / 8,974.64-12,387.06-5,825.36

Finding the Fourth Proportional to 8,974.64, 12,387.06 and 5,825.36

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Solution

The fourth proportional to 8,974.64, 12,387.06 and 5,825.36 is: 8,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.64 : 12,387.06 = 5,825.36 : x
  2. Step 2: Convert to fraction form
    8,974.64/12,387.06 = 5,825.36/x
  3. Step 3: Cross multiply
    8,974.64x = 12,387.06 × 5,825.36
  4. Step 4: Simplify right side
    8,974.64x = 72,159,021.91
  5. Step 5: Solve for x
    x = 72,159,021.91/8,974.64
  6. Step 6: Final answer
    x = 8,040.33

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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.