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Finding the Fourth Proportional to 8,465.97, 11,675.90 and 6,346.45

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Solution

The fourth proportional to 8,465.97, 11,675.90 and 6,346.45 is: 8,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.97 : 11,675.90 = 6,346.45 : x
  2. Step 2: Convert to fraction form
    8,465.97/11,675.90 = 6,346.45/x
  3. Step 3: Cross multiply
    8,465.97x = 11,675.90 × 6,346.45
  4. Step 4: Simplify right side
    8,465.97x = 74,100,510.32
  5. Step 5: Solve for x
    x = 74,100,510.32/8,465.97
  6. Step 6: Final answer
    x = 8,752.75

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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.