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Finding the Fourth Proportional to 12,558.34, 17,330.17 and 6,893.08

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Solution

The fourth proportional to 12,558.34, 17,330.17 and 6,893.08 is: 9,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.34 : 17,330.17 = 6,893.08 : x
  2. Step 2: Convert to fraction form
    12,558.34/17,330.17 = 6,893.08/x
  3. Step 3: Cross multiply
    12,558.34x = 17,330.17 × 6,893.08
  4. Step 4: Simplify right side
    12,558.34x = 119,458,248.22
  5. Step 5: Solve for x
    x = 119,458,248.22/12,558.34
  6. Step 6: Final answer
    x = 9,512.26

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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.