Home / 8,445.29-11,654.32-4,668.31

Finding the Fourth Proportional to 8,445.29, 11,654.32 and 4,668.31

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Solution

The fourth proportional to 8,445.29, 11,654.32 and 4,668.31 is: 6,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.29 : 11,654.32 = 4,668.31 : x
  2. Step 2: Convert to fraction form
    8,445.29/11,654.32 = 4,668.31/x
  3. Step 3: Cross multiply
    8,445.29x = 11,654.32 × 4,668.31
  4. Step 4: Simplify right side
    8,445.29x = 54,405,996.06
  5. Step 5: Solve for x
    x = 54,405,996.06/8,445.29
  6. Step 6: Final answer
    x = 6,442.17

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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.