Home / 11,931.52-16,573.45-11,740.79

Finding the Fourth Proportional to 11,931.52, 16,573.45 and 11,740.79

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Solution

The fourth proportional to 11,931.52, 16,573.45 and 11,740.79 is: 16,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.52 : 16,573.45 = 11,740.79 : x
  2. Step 2: Convert to fraction form
    11,931.52/16,573.45 = 11,740.79/x
  3. Step 3: Cross multiply
    11,931.52x = 16,573.45 × 11,740.79
  4. Step 4: Simplify right side
    11,931.52x = 194,585,451.15
  5. Step 5: Solve for x
    x = 194,585,451.15/11,931.52
  6. Step 6: Final answer
    x = 16,308.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.