Home / 12,556.24-18,828.12-4,233.40

Finding the Fourth Proportional to 12,556.24, 18,828.12 and 4,233.40

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Solution

The fourth proportional to 12,556.24, 18,828.12 and 4,233.40 is: 6,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.24 : 18,828.12 = 4,233.40 : x
  2. Step 2: Convert to fraction form
    12,556.24/18,828.12 = 4,233.40/x
  3. Step 3: Cross multiply
    12,556.24x = 18,828.12 × 4,233.40
  4. Step 4: Simplify right side
    12,556.24x = 79,706,963.21
  5. Step 5: Solve for x
    x = 79,706,963.21/12,556.24
  6. Step 6: Final answer
    x = 6,348.00

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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.