Home / 11,961.20-16,505.76-6,925.07

Finding the Fourth Proportional to 11,961.20, 16,505.76 and 6,925.07

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Solution

The fourth proportional to 11,961.20, 16,505.76 and 6,925.07 is: 9,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.20 : 16,505.76 = 6,925.07 : x
  2. Step 2: Convert to fraction form
    11,961.20/16,505.76 = 6,925.07/x
  3. Step 3: Cross multiply
    11,961.20x = 16,505.76 × 6,925.07
  4. Step 4: Simplify right side
    11,961.20x = 114,303,502.14
  5. Step 5: Solve for x
    x = 114,303,502.14/11,961.20
  6. Step 6: Final answer
    x = 9,556.19

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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.