Home / 12,495.06-18,748.67-5,913.41

Finding the Fourth Proportional to 12,495.06, 18,748.67 and 5,913.41

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Solution

The fourth proportional to 12,495.06, 18,748.67 and 5,913.41 is: 8,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.06 : 18,748.67 = 5,913.41 : x
  2. Step 2: Convert to fraction form
    12,495.06/18,748.67 = 5,913.41/x
  3. Step 3: Cross multiply
    12,495.06x = 18,748.67 × 5,913.41
  4. Step 4: Simplify right side
    12,495.06x = 110,868,449.35
  5. Step 5: Solve for x
    x = 110,868,449.35/12,495.06
  6. Step 6: Final answer
    x = 8,872.98

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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.