Home / 12,573.34-18,860.25-3,808.22

Finding the Fourth Proportional to 12,573.34, 18,860.25 and 3,808.22

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Solution

The fourth proportional to 12,573.34, 18,860.25 and 3,808.22 is: 5,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.34 : 18,860.25 = 3,808.22 : x
  2. Step 2: Convert to fraction form
    12,573.34/18,860.25 = 3,808.22/x
  3. Step 3: Cross multiply
    12,573.34x = 18,860.25 × 3,808.22
  4. Step 4: Simplify right side
    12,573.34x = 71,823,981.26
  5. Step 5: Solve for x
    x = 71,823,981.26/12,573.34
  6. Step 6: Final answer
    x = 5,712.40

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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.