Home / 12,178.20-16,797.95-8,598.41

Finding the Fourth Proportional to 12,178.20, 16,797.95 and 8,598.41

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Solution

The fourth proportional to 12,178.20, 16,797.95 and 8,598.41 is: 11,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.20 : 16,797.95 = 8,598.41 : x
  2. Step 2: Convert to fraction form
    12,178.20/16,797.95 = 8,598.41/x
  3. Step 3: Cross multiply
    12,178.20x = 16,797.95 × 8,598.41
  4. Step 4: Simplify right side
    12,178.20x = 144,435,629.51
  5. Step 5: Solve for x
    x = 144,435,629.51/12,178.20
  6. Step 6: Final answer
    x = 11,860.18

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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.