Home / 12,377.37-18,566.69-3,612.95

Finding the Fourth Proportional to 12,377.37, 18,566.69 and 3,612.95

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Solution

The fourth proportional to 12,377.37, 18,566.69 and 3,612.95 is: 5,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.37 : 18,566.69 = 3,612.95 : x
  2. Step 2: Convert to fraction form
    12,377.37/18,566.69 = 3,612.95/x
  3. Step 3: Cross multiply
    12,377.37x = 18,566.69 × 3,612.95
  4. Step 4: Simplify right side
    12,377.37x = 67,080,411.74
  5. Step 5: Solve for x
    x = 67,080,411.74/12,377.37
  6. Step 6: Final answer
    x = 5,419.60

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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.