Home / 9,175.03-12,661.29-5,397.33

Finding the Fourth Proportional to 9,175.03, 12,661.29 and 5,397.33

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Solution

The fourth proportional to 9,175.03, 12,661.29 and 5,397.33 is: 7,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.03 : 12,661.29 = 5,397.33 : x
  2. Step 2: Convert to fraction form
    9,175.03/12,661.29 = 5,397.33/x
  3. Step 3: Cross multiply
    9,175.03x = 12,661.29 × 5,397.33
  4. Step 4: Simplify right side
    9,175.03x = 68,337,192.66
  5. Step 5: Solve for x
    x = 68,337,192.66/9,175.03
  6. Step 6: Final answer
    x = 7,448.17

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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.