Home / 12,326.40-18,491.45-4,534.62

Finding the Fourth Proportional to 12,326.40, 18,491.45 and 4,534.62

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Solution

The fourth proportional to 12,326.40, 18,491.45 and 4,534.62 is: 6,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.40 : 18,491.45 = 4,534.62 : x
  2. Step 2: Convert to fraction form
    12,326.40/18,491.45 = 4,534.62/x
  3. Step 3: Cross multiply
    12,326.40x = 18,491.45 × 4,534.62
  4. Step 4: Simplify right side
    12,326.40x = 83,851,676.33
  5. Step 5: Solve for x
    x = 83,851,676.33/12,326.40
  6. Step 6: Final answer
    x = 6,802.61

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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.