Home / 8,881.36-12,252.12-5,898.64

Finding the Fourth Proportional to 8,881.36, 12,252.12 and 5,898.64

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Solution

The fourth proportional to 8,881.36, 12,252.12 and 5,898.64 is: 8,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.36 : 12,252.12 = 5,898.64 : x
  2. Step 2: Convert to fraction form
    8,881.36/12,252.12 = 5,898.64/x
  3. Step 3: Cross multiply
    8,881.36x = 12,252.12 × 5,898.64
  4. Step 4: Simplify right side
    8,881.36x = 72,270,845.12
  5. Step 5: Solve for x
    x = 72,270,845.12/8,881.36
  6. Step 6: Final answer
    x = 8,137.36

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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.