Home / 8,857.19-13,267.56-6,396.95

Finding the Fourth Proportional to 8,857.19, 13,267.56 and 6,396.95

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Solution

The fourth proportional to 8,857.19, 13,267.56 and 6,396.95 is: 9,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.19 : 13,267.56 = 6,396.95 : x
  2. Step 2: Convert to fraction form
    8,857.19/13,267.56 = 6,396.95/x
  3. Step 3: Cross multiply
    8,857.19x = 13,267.56 × 6,396.95
  4. Step 4: Simplify right side
    8,857.19x = 84,871,917.94
  5. Step 5: Solve for x
    x = 84,871,917.94/8,857.19
  6. Step 6: Final answer
    x = 9,582.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.