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Finding the Fourth Proportional to 10,751.40, 14,841.09 and 9,630.36

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Solution

The fourth proportional to 10,751.40, 14,841.09 and 9,630.36 is: 13,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.40 : 14,841.09 = 9,630.36 : x
  2. Step 2: Convert to fraction form
    10,751.40/14,841.09 = 9,630.36/x
  3. Step 3: Cross multiply
    10,751.40x = 14,841.09 × 9,630.36
  4. Step 4: Simplify right side
    10,751.40x = 142,925,039.49
  5. Step 5: Solve for x
    x = 142,925,039.49/10,751.40
  6. Step 6: Final answer
    x = 13,293.62

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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.