Home / 9,186.17-13,779.36-3,640.86

Finding the Fourth Proportional to 9,186.17, 13,779.36 and 3,640.86

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Solution

The fourth proportional to 9,186.17, 13,779.36 and 3,640.86 is: 5,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.17 : 13,779.36 = 3,640.86 : x
  2. Step 2: Convert to fraction form
    9,186.17/13,779.36 = 3,640.86/x
  3. Step 3: Cross multiply
    9,186.17x = 13,779.36 × 3,640.86
  4. Step 4: Simplify right side
    9,186.17x = 50,168,720.65
  5. Step 5: Solve for x
    x = 50,168,720.65/9,186.17
  6. Step 6: Final answer
    x = 5,461.33

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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.