Home / 11,740.34-16,204.54-7,969.79

Finding the Fourth Proportional to 11,740.34, 16,204.54 and 7,969.79

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Solution

The fourth proportional to 11,740.34, 16,204.54 and 7,969.79 is: 11,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.34 : 16,204.54 = 7,969.79 : x
  2. Step 2: Convert to fraction form
    11,740.34/16,204.54 = 7,969.79/x
  3. Step 3: Cross multiply
    11,740.34x = 16,204.54 × 7,969.79
  4. Step 4: Simplify right side
    11,740.34x = 129,146,699.82
  5. Step 5: Solve for x
    x = 129,146,699.82/11,740.34
  6. Step 6: Final answer
    x = 11,000.26

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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.