Home / 12,329.25-18,491.67-4,008.05

Finding the Fourth Proportional to 12,329.25, 18,491.67 and 4,008.05

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Solution

The fourth proportional to 12,329.25, 18,491.67 and 4,008.05 is: 6,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.25 : 18,491.67 = 4,008.05 : x
  2. Step 2: Convert to fraction form
    12,329.25/18,491.67 = 4,008.05/x
  3. Step 3: Cross multiply
    12,329.25x = 18,491.67 × 4,008.05
  4. Step 4: Simplify right side
    12,329.25x = 74,115,445.49
  5. Step 5: Solve for x
    x = 74,115,445.49/12,329.25
  6. Step 6: Final answer
    x = 6,011.35

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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.