Home / 9,508.87-13,122.27-5,317.12

Finding the Fourth Proportional to 9,508.87, 13,122.27 and 5,317.12

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Solution

The fourth proportional to 9,508.87, 13,122.27 and 5,317.12 is: 7,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.87 : 13,122.27 = 5,317.12 : x
  2. Step 2: Convert to fraction form
    9,508.87/13,122.27 = 5,317.12/x
  3. Step 3: Cross multiply
    9,508.87x = 13,122.27 × 5,317.12
  4. Step 4: Simplify right side
    9,508.87x = 69,772,592.07
  5. Step 5: Solve for x
    x = 69,772,592.07/9,508.87
  6. Step 6: Final answer
    x = 7,337.64

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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.