Home / 11,981.16-16,533.99-6,676.32

Finding the Fourth Proportional to 11,981.16, 16,533.99 and 6,676.32

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Solution

The fourth proportional to 11,981.16, 16,533.99 and 6,676.32 is: 9,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.16 : 16,533.99 = 6,676.32 : x
  2. Step 2: Convert to fraction form
    11,981.16/16,533.99 = 6,676.32/x
  3. Step 3: Cross multiply
    11,981.16x = 16,533.99 × 6,676.32
  4. Step 4: Simplify right side
    11,981.16x = 110,386,208.12
  5. Step 5: Solve for x
    x = 110,386,208.12/11,981.16
  6. Step 6: Final answer
    x = 9,213.32

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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.