Home / 9,814.12-13,543.96-5,622.38

Finding the Fourth Proportional to 9,814.12, 13,543.96 and 5,622.38

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Solution

The fourth proportional to 9,814.12, 13,543.96 and 5,622.38 is: 7,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.12 : 13,543.96 = 5,622.38 : x
  2. Step 2: Convert to fraction form
    9,814.12/13,543.96 = 5,622.38/x
  3. Step 3: Cross multiply
    9,814.12x = 13,543.96 × 5,622.38
  4. Step 4: Simplify right side
    9,814.12x = 76,149,289.82
  5. Step 5: Solve for x
    x = 76,149,289.82/9,814.12
  6. Step 6: Final answer
    x = 7,759.16

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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.