Home / 11,975.32-16,525.90-6,670.20

Finding the Fourth Proportional to 11,975.32, 16,525.90 and 6,670.20

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Solution

The fourth proportional to 11,975.32, 16,525.90 and 6,670.20 is: 9,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.32 : 16,525.90 = 6,670.20 : x
  2. Step 2: Convert to fraction form
    11,975.32/16,525.90 = 6,670.20/x
  3. Step 3: Cross multiply
    11,975.32x = 16,525.90 × 6,670.20
  4. Step 4: Simplify right side
    11,975.32x = 110,231,058.18
  5. Step 5: Solve for x
    x = 110,231,058.18/11,975.32
  6. Step 6: Final answer
    x = 9,204.85

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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.