Home / 9,578.33-13,217.96-5,386.58

Finding the Fourth Proportional to 9,578.33, 13,217.96 and 5,386.58

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Solution

The fourth proportional to 9,578.33, 13,217.96 and 5,386.58 is: 7,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.33 : 13,217.96 = 5,386.58 : x
  2. Step 2: Convert to fraction form
    9,578.33/13,217.96 = 5,386.58/x
  3. Step 3: Cross multiply
    9,578.33x = 13,217.96 × 5,386.58
  4. Step 4: Simplify right side
    9,578.33x = 71,199,505.95
  5. Step 5: Solve for x
    x = 71,199,505.95/9,578.33
  6. Step 6: Final answer
    x = 7,433.40

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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.