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Finding the Fourth Proportional to 8,662.08, 13,010.70 and 7,645.08

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Solution

The fourth proportional to 8,662.08, 13,010.70 and 7,645.08 is: 11,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.08 : 13,010.70 = 7,645.08 : x
  2. Step 2: Convert to fraction form
    8,662.08/13,010.70 = 7,645.08/x
  3. Step 3: Cross multiply
    8,662.08x = 13,010.70 × 7,645.08
  4. Step 4: Simplify right side
    8,662.08x = 99,467,842.36
  5. Step 5: Solve for x
    x = 99,467,842.36/8,662.08
  6. Step 6: Final answer
    x = 11,483.14

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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.