Home / 12,736.99-17,575-8,017.93

Finding the Fourth Proportional to 12,736.99, 17,575 and 8,017.93

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Solution

The fourth proportional to 12,736.99, 17,575 and 8,017.93 is: 11,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.99 : 17,575 = 8,017.93 : x
  2. Step 2: Convert to fraction form
    12,736.99/17,575 = 8,017.93/x
  3. Step 3: Cross multiply
    12,736.99x = 17,575 × 8,017.93
  4. Step 4: Simplify right side
    12,736.99x = 140,915,119.75
  5. Step 5: Solve for x
    x = 140,915,119.75/12,736.99
  6. Step 6: Final answer
    x = 11,063.46

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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.