Home / 12,015.72-16,581.66-6,710.54

Finding the Fourth Proportional to 12,015.72, 16,581.66 and 6,710.54

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Solution

The fourth proportional to 12,015.72, 16,581.66 and 6,710.54 is: 9,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.72 : 16,581.66 = 6,710.54 : x
  2. Step 2: Convert to fraction form
    12,015.72/16,581.66 = 6,710.54/x
  3. Step 3: Cross multiply
    12,015.72x = 16,581.66 × 6,710.54
  4. Step 4: Simplify right side
    12,015.72x = 111,271,892.70
  5. Step 5: Solve for x
    x = 111,271,892.70/12,015.72
  6. Step 6: Final answer
    x = 9,260.53

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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.