Home / 9,540.90-13,167.23-5,293.28

Finding the Fourth Proportional to 9,540.90, 13,167.23 and 5,293.28

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Solution

The fourth proportional to 9,540.90, 13,167.23 and 5,293.28 is: 7,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.90 : 13,167.23 = 5,293.28 : x
  2. Step 2: Convert to fraction form
    9,540.90/13,167.23 = 5,293.28/x
  3. Step 3: Cross multiply
    9,540.90x = 13,167.23 × 5,293.28
  4. Step 4: Simplify right side
    9,540.90x = 69,697,841.67
  5. Step 5: Solve for x
    x = 69,697,841.67/9,540.90
  6. Step 6: Final answer
    x = 7,305.16

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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.