Home / 10,779.05-16,174.83-4,538.67

Finding the Fourth Proportional to 10,779.05, 16,174.83 and 4,538.67

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Solution

The fourth proportional to 10,779.05, 16,174.83 and 4,538.67 is: 6,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.05 : 16,174.83 = 4,538.67 : x
  2. Step 2: Convert to fraction form
    10,779.05/16,174.83 = 4,538.67/x
  3. Step 3: Cross multiply
    10,779.05x = 16,174.83 × 4,538.67
  4. Step 4: Simplify right side
    10,779.05x = 73,412,215.68
  5. Step 5: Solve for x
    x = 73,412,215.68/10,779.05
  6. Step 6: Final answer
    x = 6,810.64

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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.