Home / 12,009.36-18,025.66-5,773.68

Finding the Fourth Proportional to 12,009.36, 18,025.66 and 5,773.68

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Solution

The fourth proportional to 12,009.36, 18,025.66 and 5,773.68 is: 8,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.36 : 18,025.66 = 5,773.68 : x
  2. Step 2: Convert to fraction form
    12,009.36/18,025.66 = 5,773.68/x
  3. Step 3: Cross multiply
    12,009.36x = 18,025.66 × 5,773.68
  4. Step 4: Simplify right side
    12,009.36x = 104,074,416.08
  5. Step 5: Solve for x
    x = 104,074,416.08/12,009.36
  6. Step 6: Final answer
    x = 8,666.11

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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.