Home / 8,961.04-13,441-3,118.24

Finding the Fourth Proportional to 8,961.04, 13,441 and 3,118.24

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Solution

The fourth proportional to 8,961.04, 13,441 and 3,118.24 is: 4,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.04 : 13,441 = 3,118.24 : x
  2. Step 2: Convert to fraction form
    8,961.04/13,441 = 3,118.24/x
  3. Step 3: Cross multiply
    8,961.04x = 13,441 × 3,118.24
  4. Step 4: Simplify right side
    8,961.04x = 41,912,263.84
  5. Step 5: Solve for x
    x = 41,912,263.84/8,961.04
  6. Step 6: Final answer
    x = 4,677.17

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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.