Home / 12,516.36-17,270.48-7,482.62

Finding the Fourth Proportional to 12,516.36, 17,270.48 and 7,482.62

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Solution

The fourth proportional to 12,516.36, 17,270.48 and 7,482.62 is: 10,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.36 : 17,270.48 = 7,482.62 : x
  2. Step 2: Convert to fraction form
    12,516.36/17,270.48 = 7,482.62/x
  3. Step 3: Cross multiply
    12,516.36x = 17,270.48 × 7,482.62
  4. Step 4: Simplify right side
    12,516.36x = 129,228,439.06
  5. Step 5: Solve for x
    x = 129,228,439.06/12,516.36
  6. Step 6: Final answer
    x = 10,324.76

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Double scale
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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.