Home / 12,184.35-16,815.52-7,403.18

Finding the Fourth Proportional to 12,184.35, 16,815.52 and 7,403.18

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Solution

The fourth proportional to 12,184.35, 16,815.52 and 7,403.18 is: 10,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.35 : 16,815.52 = 7,403.18 : x
  2. Step 2: Convert to fraction form
    12,184.35/16,815.52 = 7,403.18/x
  3. Step 3: Cross multiply
    12,184.35x = 16,815.52 × 7,403.18
  4. Step 4: Simplify right side
    12,184.35x = 124,488,432.88
  5. Step 5: Solve for x
    x = 124,488,432.88/12,184.35
  6. Step 6: Final answer
    x = 10,217.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.