Home / 12,256.17-18,376.84-5,500.51

Finding the Fourth Proportional to 12,256.17, 18,376.84 and 5,500.51

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Solution

The fourth proportional to 12,256.17, 18,376.84 and 5,500.51 is: 8,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.17 : 18,376.84 = 5,500.51 : x
  2. Step 2: Convert to fraction form
    12,256.17/18,376.84 = 5,500.51/x
  3. Step 3: Cross multiply
    12,256.17x = 18,376.84 × 5,500.51
  4. Step 4: Simplify right side
    12,256.17x = 101,081,992.19
  5. Step 5: Solve for x
    x = 101,081,992.19/12,256.17
  6. Step 6: Final answer
    x = 8,247.44

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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.