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Finding the Fourth Proportional to 8,346.81, 11,492.37 and 7,085.37

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Solution

The fourth proportional to 8,346.81, 11,492.37 and 7,085.37 is: 9,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.81 : 11,492.37 = 7,085.37 : x
  2. Step 2: Convert to fraction form
    8,346.81/11,492.37 = 7,085.37/x
  3. Step 3: Cross multiply
    8,346.81x = 11,492.37 × 7,085.37
  4. Step 4: Simplify right side
    8,346.81x = 81,427,693.63
  5. Step 5: Solve for x
    x = 81,427,693.63/8,346.81
  6. Step 6: Final answer
    x = 9,755.55

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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.