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Finding the Fourth Proportional to 11,490.03, 15,841.71 and 7,504.83

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Solution

The fourth proportional to 11,490.03, 15,841.71 and 7,504.83 is: 10,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.03 : 15,841.71 = 7,504.83 : x
  2. Step 2: Convert to fraction form
    11,490.03/15,841.71 = 7,504.83/x
  3. Step 3: Cross multiply
    11,490.03x = 15,841.71 × 7,504.83
  4. Step 4: Simplify right side
    11,490.03x = 118,889,340.46
  5. Step 5: Solve for x
    x = 118,889,340.46/11,490.03
  6. Step 6: Final answer
    x = 10,347.17

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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.