Home / 12,402.92-18,588.54-5,814.60

Finding the Fourth Proportional to 12,402.92, 18,588.54 and 5,814.60

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Solution

The fourth proportional to 12,402.92, 18,588.54 and 5,814.60 is: 8,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.92 : 18,588.54 = 5,814.60 : x
  2. Step 2: Convert to fraction form
    12,402.92/18,588.54 = 5,814.60/x
  3. Step 3: Cross multiply
    12,402.92x = 18,588.54 × 5,814.60
  4. Step 4: Simplify right side
    12,402.92x = 108,084,924.68
  5. Step 5: Solve for x
    x = 108,084,924.68/12,402.92
  6. Step 6: Final answer
    x = 8,714.47

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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.