Home / 11,653.13-16,080.77-6,616.67

Finding the Fourth Proportional to 11,653.13, 16,080.77 and 6,616.67

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Solution

The fourth proportional to 11,653.13, 16,080.77 and 6,616.67 is: 9,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.13 : 16,080.77 = 6,616.67 : x
  2. Step 2: Convert to fraction form
    11,653.13/16,080.77 = 6,616.67/x
  3. Step 3: Cross multiply
    11,653.13x = 16,080.77 × 6,616.67
  4. Step 4: Simplify right side
    11,653.13x = 106,401,148.44
  5. Step 5: Solve for x
    x = 106,401,148.44/11,653.13
  6. Step 6: Final answer
    x = 9,130.69

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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.