Home / 12,634.98-17,423.08-8,811.07

Finding the Fourth Proportional to 12,634.98, 17,423.08 and 8,811.07

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Solution

The fourth proportional to 12,634.98, 17,423.08 and 8,811.07 is: 12,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.98 : 17,423.08 = 8,811.07 : x
  2. Step 2: Convert to fraction form
    12,634.98/17,423.08 = 8,811.07/x
  3. Step 3: Cross multiply
    12,634.98x = 17,423.08 × 8,811.07
  4. Step 4: Simplify right side
    12,634.98x = 153,515,977.50
  5. Step 5: Solve for x
    x = 153,515,977.50/12,634.98
  6. Step 6: Final answer
    x = 12,150.08

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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.