Home / 35,815.12-53,722.70-11,191.12

Finding the Fourth Proportional to 35,815.12, 53,722.70 and 11,191.12

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Solution

The fourth proportional to 35,815.12, 53,722.70 and 11,191.12 is: 16,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.12 : 53,722.70 = 11,191.12 : x
  2. Step 2: Convert to fraction form
    35,815.12/53,722.70 = 11,191.12/x
  3. Step 3: Cross multiply
    35,815.12x = 53,722.70 × 11,191.12
  4. Step 4: Simplify right side
    35,815.12x = 601,217,182.42
  5. Step 5: Solve for x
    x = 601,217,182.42/35,815.12
  6. Step 6: Final answer
    x = 16,786.69

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Similar ratio
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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.