Home / 9,504.51-13,115.89-5,197.70

Finding the Fourth Proportional to 9,504.51, 13,115.89 and 5,197.70

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Solution

The fourth proportional to 9,504.51, 13,115.89 and 5,197.70 is: 7,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.51 : 13,115.89 = 5,197.70 : x
  2. Step 2: Convert to fraction form
    9,504.51/13,115.89 = 5,197.70/x
  3. Step 3: Cross multiply
    9,504.51x = 13,115.89 × 5,197.70
  4. Step 4: Simplify right side
    9,504.51x = 68,172,500.74
  5. Step 5: Solve for x
    x = 68,172,500.74/9,504.51
  6. Step 6: Final answer
    x = 7,172.65

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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.