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Finding the Fourth Proportional to 11,860.71, 16,368.09 and 6,483.34

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Solution

The fourth proportional to 11,860.71, 16,368.09 and 6,483.34 is: 8,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.71 : 16,368.09 = 6,483.34 : x
  2. Step 2: Convert to fraction form
    11,860.71/16,368.09 = 6,483.34/x
  3. Step 3: Cross multiply
    11,860.71x = 16,368.09 × 6,483.34
  4. Step 4: Simplify right side
    11,860.71x = 106,119,892.62
  5. Step 5: Solve for x
    x = 106,119,892.62/11,860.71
  6. Step 6: Final answer
    x = 8,947.18

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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.