Home / 9,424.15-13,005.12-5,175.26

Finding the Fourth Proportional to 9,424.15, 13,005.12 and 5,175.26

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Solution

The fourth proportional to 9,424.15, 13,005.12 and 5,175.26 is: 7,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.15 : 13,005.12 = 5,175.26 : x
  2. Step 2: Convert to fraction form
    9,424.15/13,005.12 = 5,175.26/x
  3. Step 3: Cross multiply
    9,424.15x = 13,005.12 × 5,175.26
  4. Step 4: Simplify right side
    9,424.15x = 67,304,880.48
  5. Step 5: Solve for x
    x = 67,304,880.48/9,424.15
  6. Step 6: Final answer
    x = 7,141.75

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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.