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Finding the Fourth Proportional to 8,476.33, 11,697.16 and 4,699.46

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Solution

The fourth proportional to 8,476.33, 11,697.16 and 4,699.46 is: 6,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.33 : 11,697.16 = 4,699.46 : x
  2. Step 2: Convert to fraction form
    8,476.33/11,697.16 = 4,699.46/x
  3. Step 3: Cross multiply
    8,476.33x = 11,697.16 × 4,699.46
  4. Step 4: Simplify right side
    8,476.33x = 54,970,312.04
  5. Step 5: Solve for x
    x = 54,970,312.04/8,476.33
  6. Step 6: Final answer
    x = 6,485.16

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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.