Home / 12,178.08-18,256.32-5,934.60

Finding the Fourth Proportional to 12,178.08, 18,256.32 and 5,934.60

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Solution

The fourth proportional to 12,178.08, 18,256.32 and 5,934.60 is: 8,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.08 : 18,256.32 = 5,934.60 : x
  2. Step 2: Convert to fraction form
    12,178.08/18,256.32 = 5,934.60/x
  3. Step 3: Cross multiply
    12,178.08x = 18,256.32 × 5,934.60
  4. Step 4: Simplify right side
    12,178.08x = 108,343,956.67
  5. Step 5: Solve for x
    x = 108,343,956.67/12,178.08
  6. Step 6: Final answer
    x = 8,896.64

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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.