Home / 8,955.84-13,427.34-4,209.34

Finding the Fourth Proportional to 8,955.84, 13,427.34 and 4,209.34

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Solution

The fourth proportional to 8,955.84, 13,427.34 and 4,209.34 is: 6,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.84 : 13,427.34 = 4,209.34 : x
  2. Step 2: Convert to fraction form
    8,955.84/13,427.34 = 4,209.34/x
  3. Step 3: Cross multiply
    8,955.84x = 13,427.34 × 4,209.34
  4. Step 4: Simplify right side
    8,955.84x = 56,520,239.36
  5. Step 5: Solve for x
    x = 56,520,239.36/8,955.84
  6. Step 6: Final answer
    x = 6,310.99

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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.