Home / 11,105.99-15,326.68-6,070.55

Finding the Fourth Proportional to 11,105.99, 15,326.68 and 6,070.55

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Solution

The fourth proportional to 11,105.99, 15,326.68 and 6,070.55 is: 8,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.99 : 15,326.68 = 6,070.55 : x
  2. Step 2: Convert to fraction form
    11,105.99/15,326.68 = 6,070.55/x
  3. Step 3: Cross multiply
    11,105.99x = 15,326.68 × 6,070.55
  4. Step 4: Simplify right side
    11,105.99x = 93,041,322.88
  5. Step 5: Solve for x
    x = 93,041,322.88/11,105.99
  6. Step 6: Final answer
    x = 8,377.58

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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.