Home / 7,580.10-11,365.26-3,196.38

Finding the Fourth Proportional to 7,580.10, 11,365.26 and 3,196.38

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Solution

The fourth proportional to 7,580.10, 11,365.26 and 3,196.38 is: 4,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.10 : 11,365.26 = 3,196.38 : x
  2. Step 2: Convert to fraction form
    7,580.10/11,365.26 = 3,196.38/x
  3. Step 3: Cross multiply
    7,580.10x = 11,365.26 × 3,196.38
  4. Step 4: Simplify right side
    7,580.10x = 36,327,689.76
  5. Step 5: Solve for x
    x = 36,327,689.76/7,580.10
  6. Step 6: Final answer
    x = 4,792.51

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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.