Home / 12,367.70-18,531.28-5,246.26

Finding the Fourth Proportional to 12,367.70, 18,531.28 and 5,246.26

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Solution

The fourth proportional to 12,367.70, 18,531.28 and 5,246.26 is: 7,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.70 : 18,531.28 = 5,246.26 : x
  2. Step 2: Convert to fraction form
    12,367.70/18,531.28 = 5,246.26/x
  3. Step 3: Cross multiply
    12,367.70x = 18,531.28 × 5,246.26
  4. Step 4: Simplify right side
    12,367.70x = 97,219,913.01
  5. Step 5: Solve for x
    x = 97,219,913.01/12,367.70
  6. Step 6: Final answer
    x = 7,860.79

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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.