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Finding the Fourth Proportional to 9,174.58, 12,666.16 and 6,039.88

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Solution

The fourth proportional to 9,174.58, 12,666.16 and 6,039.88 is: 8,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.58 : 12,666.16 = 6,039.88 : x
  2. Step 2: Convert to fraction form
    9,174.58/12,666.16 = 6,039.88/x
  3. Step 3: Cross multiply
    9,174.58x = 12,666.16 × 6,039.88
  4. Step 4: Simplify right side
    9,174.58x = 76,502,086.46
  5. Step 5: Solve for x
    x = 76,502,086.46/9,174.58
  6. Step 6: Final answer
    x = 8,338.48

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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.