Home / 12,124.22-18,167.70-7,184.04

Finding the Fourth Proportional to 12,124.22, 18,167.70 and 7,184.04

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Solution

The fourth proportional to 12,124.22, 18,167.70 and 7,184.04 is: 10,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.22 : 18,167.70 = 7,184.04 : x
  2. Step 2: Convert to fraction form
    12,124.22/18,167.70 = 7,184.04/x
  3. Step 3: Cross multiply
    12,124.22x = 18,167.70 × 7,184.04
  4. Step 4: Simplify right side
    12,124.22x = 130,517,483.51
  5. Step 5: Solve for x
    x = 130,517,483.51/12,124.22
  6. Step 6: Final answer
    x = 10,765.02

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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.