Home / 9,543.72-13,170.32-5,817.72

Finding the Fourth Proportional to 9,543.72, 13,170.32 and 5,817.72

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Solution

The fourth proportional to 9,543.72, 13,170.32 and 5,817.72 is: 8,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.72 : 13,170.32 = 5,817.72 : x
  2. Step 2: Convert to fraction form
    9,543.72/13,170.32 = 5,817.72/x
  3. Step 3: Cross multiply
    9,543.72x = 13,170.32 × 5,817.72
  4. Step 4: Simplify right side
    9,543.72x = 76,621,234.07
  5. Step 5: Solve for x
    x = 76,621,234.07/9,543.72
  6. Step 6: Final answer
    x = 8,028.45

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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.