Home / 7,580.39-11,372.33-2,386.13

Finding the Fourth Proportional to 7,580.39, 11,372.33 and 2,386.13

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Solution

The fourth proportional to 7,580.39, 11,372.33 and 2,386.13 is: 3,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.39 : 11,372.33 = 2,386.13 : x
  2. Step 2: Convert to fraction form
    7,580.39/11,372.33 = 2,386.13/x
  3. Step 3: Cross multiply
    7,580.39x = 11,372.33 × 2,386.13
  4. Step 4: Simplify right side
    7,580.39x = 27,135,806.89
  5. Step 5: Solve for x
    x = 27,135,806.89/7,580.39
  6. Step 6: Final answer
    x = 3,579.74

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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.