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Finding the Fourth Proportional to 12,497.10, 18,751.05 and 6,341.10

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Solution

The fourth proportional to 12,497.10, 18,751.05 and 6,341.10 is: 9,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.10 : 18,751.05 = 6,341.10 : x
  2. Step 2: Convert to fraction form
    12,497.10/18,751.05 = 6,341.10/x
  3. Step 3: Cross multiply
    12,497.10x = 18,751.05 × 6,341.10
  4. Step 4: Simplify right side
    12,497.10x = 118,902,283.16
  5. Step 5: Solve for x
    x = 118,902,283.16/12,497.10
  6. Step 6: Final answer
    x = 9,514.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.