Home / 10,995.23-16,514.99-6,561.56

Finding the Fourth Proportional to 10,995.23, 16,514.99 and 6,561.56

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Solution

The fourth proportional to 10,995.23, 16,514.99 and 6,561.56 is: 9,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.23 : 16,514.99 = 6,561.56 : x
  2. Step 2: Convert to fraction form
    10,995.23/16,514.99 = 6,561.56/x
  3. Step 3: Cross multiply
    10,995.23x = 16,514.99 × 6,561.56
  4. Step 4: Simplify right side
    10,995.23x = 108,364,155.48
  5. Step 5: Solve for x
    x = 108,364,155.48/10,995.23
  6. Step 6: Final answer
    x = 9,855.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.