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Finding the Fourth Proportional to 8,460.51, 11,663.31 and 5,934.79

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Solution

The fourth proportional to 8,460.51, 11,663.31 and 5,934.79 is: 8,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.51 : 11,663.31 = 5,934.79 : x
  2. Step 2: Convert to fraction form
    8,460.51/11,663.31 = 5,934.79/x
  3. Step 3: Cross multiply
    8,460.51x = 11,663.31 × 5,934.79
  4. Step 4: Simplify right side
    8,460.51x = 69,219,295.55
  5. Step 5: Solve for x
    x = 69,219,295.55/8,460.51
  6. Step 6: Final answer
    x = 8,181.46

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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.