Home / 11,756.44-16,225.08-6,721.12

Finding the Fourth Proportional to 11,756.44, 16,225.08 and 6,721.12

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Solution

The fourth proportional to 11,756.44, 16,225.08 and 6,721.12 is: 9,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.44 : 16,225.08 = 6,721.12 : x
  2. Step 2: Convert to fraction form
    11,756.44/16,225.08 = 6,721.12/x
  3. Step 3: Cross multiply
    11,756.44x = 16,225.08 × 6,721.12
  4. Step 4: Simplify right side
    11,756.44x = 109,050,709.69
  5. Step 5: Solve for x
    x = 109,050,709.69/11,756.44
  6. Step 6: Final answer
    x = 9,275.83

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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.