Home / 11,954.86-16,460.15-10,158.55

Finding the Fourth Proportional to 11,954.86, 16,460.15 and 10,158.55

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Solution

The fourth proportional to 11,954.86, 16,460.15 and 10,158.55 is: 13,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.86 : 16,460.15 = 10,158.55 : x
  2. Step 2: Convert to fraction form
    11,954.86/16,460.15 = 10,158.55/x
  3. Step 3: Cross multiply
    11,954.86x = 16,460.15 × 10,158.55
  4. Step 4: Simplify right side
    11,954.86x = 167,211,164.84
  5. Step 5: Solve for x
    x = 167,211,164.84/11,954.86
  6. Step 6: Final answer
    x = 13,986.88

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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.