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Finding the Fourth Proportional to 11,959.02, 16,503.53 and 6,653.70

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Solution

The fourth proportional to 11,959.02, 16,503.53 and 6,653.70 is: 9,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.02 : 16,503.53 = 6,653.70 : x
  2. Step 2: Convert to fraction form
    11,959.02/16,503.53 = 6,653.70/x
  3. Step 3: Cross multiply
    11,959.02x = 16,503.53 × 6,653.70
  4. Step 4: Simplify right side
    11,959.02x = 109,809,504.29
  5. Step 5: Solve for x
    x = 109,809,504.29/11,959.02
  6. Step 6: Final answer
    x = 9,182.15

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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.