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Finding the Fourth Proportional to 11,745.72, 16,202.97 and 9,510.12

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Solution

The fourth proportional to 11,745.72, 16,202.97 and 9,510.12 is: 13,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.72 : 16,202.97 = 9,510.12 : x
  2. Step 2: Convert to fraction form
    11,745.72/16,202.97 = 9,510.12/x
  3. Step 3: Cross multiply
    11,745.72x = 16,202.97 × 9,510.12
  4. Step 4: Simplify right side
    11,745.72x = 154,092,189.06
  5. Step 5: Solve for x
    x = 154,092,189.06/11,745.72
  6. Step 6: Final answer
    x = 13,119.01

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Half scale
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Double scale
Find fourth proportional to 11,746.72, 16,204.35 and 9,511.12
Similar ratio
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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.