Home / 12,015.58-16,581.53-6,710.60

Finding the Fourth Proportional to 12,015.58, 16,581.53 and 6,710.60

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Solution

The fourth proportional to 12,015.58, 16,581.53 and 6,710.60 is: 9,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.58 : 16,581.53 = 6,710.60 : x
  2. Step 2: Convert to fraction form
    12,015.58/16,581.53 = 6,710.60/x
  3. Step 3: Cross multiply
    12,015.58x = 16,581.53 × 6,710.60
  4. Step 4: Simplify right side
    12,015.58x = 111,271,949.09
  5. Step 5: Solve for x
    x = 111,271,949.09/12,015.58
  6. Step 6: Final answer
    x = 9,260.64

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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.