Home / 12,153.24-18,223.79-5,573.81

Finding the Fourth Proportional to 12,153.24, 18,223.79 and 5,573.81

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Solution

The fourth proportional to 12,153.24, 18,223.79 and 5,573.81 is: 8,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.24 : 18,223.79 = 5,573.81 : x
  2. Step 2: Convert to fraction form
    12,153.24/18,223.79 = 5,573.81/x
  3. Step 3: Cross multiply
    12,153.24x = 18,223.79 × 5,573.81
  4. Step 4: Simplify right side
    12,153.24x = 101,575,960.63
  5. Step 5: Solve for x
    x = 101,575,960.63/12,153.24
  6. Step 6: Final answer
    x = 8,357.93

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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.