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Finding the Fourth Proportional to 11,841.59, 16,343.51 and 7,061.84

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Solution

The fourth proportional to 11,841.59, 16,343.51 and 7,061.84 is: 9,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.59 : 16,343.51 = 7,061.84 : x
  2. Step 2: Convert to fraction form
    11,841.59/16,343.51 = 7,061.84/x
  3. Step 3: Cross multiply
    11,841.59x = 16,343.51 × 7,061.84
  4. Step 4: Simplify right side
    11,841.59x = 115,415,135.63
  5. Step 5: Solve for x
    x = 115,415,135.63/11,841.59
  6. Step 6: Final answer
    x = 9,746.60

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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.