Home / 12,012.05-16,575.07-6,707.09

Finding the Fourth Proportional to 12,012.05, 16,575.07 and 6,707.09

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Solution

The fourth proportional to 12,012.05, 16,575.07 and 6,707.09 is: 9,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.05 : 16,575.07 = 6,707.09 : x
  2. Step 2: Convert to fraction form
    12,012.05/16,575.07 = 6,707.09/x
  3. Step 3: Cross multiply
    12,012.05x = 16,575.07 × 6,707.09
  4. Step 4: Simplify right side
    12,012.05x = 111,170,486.25
  5. Step 5: Solve for x
    x = 111,170,486.25/12,012.05
  6. Step 6: Final answer
    x = 9,254.91

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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.