Home / 12,124.96-18,182.22-4,728.04

Finding the Fourth Proportional to 12,124.96, 18,182.22 and 4,728.04

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Solution

The fourth proportional to 12,124.96, 18,182.22 and 4,728.04 is: 7,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.96 : 18,182.22 = 4,728.04 : x
  2. Step 2: Convert to fraction form
    12,124.96/18,182.22 = 4,728.04/x
  3. Step 3: Cross multiply
    12,124.96x = 18,182.22 × 4,728.04
  4. Step 4: Simplify right side
    12,124.96x = 85,966,263.45
  5. Step 5: Solve for x
    x = 85,966,263.45/12,124.96
  6. Step 6: Final answer
    x = 7,090.02

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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.