Home / 9,547.62-13,175.80-5,355.88

Finding the Fourth Proportional to 9,547.62, 13,175.80 and 5,355.88

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Solution

The fourth proportional to 9,547.62, 13,175.80 and 5,355.88 is: 7,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547.62 : 13,175.80 = 5,355.88 : x
  2. Step 2: Convert to fraction form
    9,547.62/13,175.80 = 5,355.88/x
  3. Step 3: Cross multiply
    9,547.62x = 13,175.80 × 5,355.88
  4. Step 4: Simplify right side
    9,547.62x = 70,568,003.70
  5. Step 5: Solve for x
    x = 70,568,003.70/9,547.62
  6. Step 6: Final answer
    x = 7,391.16

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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.