Home / 11,544.61-15,930.40-7,069.63

Finding the Fourth Proportional to 11,544.61, 15,930.40 and 7,069.63

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Solution

The fourth proportional to 11,544.61, 15,930.40 and 7,069.63 is: 9,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.61 : 15,930.40 = 7,069.63 : x
  2. Step 2: Convert to fraction form
    11,544.61/15,930.40 = 7,069.63/x
  3. Step 3: Cross multiply
    11,544.61x = 15,930.40 × 7,069.63
  4. Step 4: Simplify right side
    11,544.61x = 112,622,033.75
  5. Step 5: Solve for x
    x = 112,622,033.75/11,544.61
  6. Step 6: Final answer
    x = 9,755.38

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Half scale
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Double scale
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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.