Home / 12,498.30-18,733.14-5,915.16

Finding the Fourth Proportional to 12,498.30, 18,733.14 and 5,915.16

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Solution

The fourth proportional to 12,498.30, 18,733.14 and 5,915.16 is: 8,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.30 : 18,733.14 = 5,915.16 : x
  2. Step 2: Convert to fraction form
    12,498.30/18,733.14 = 5,915.16/x
  3. Step 3: Cross multiply
    12,498.30x = 18,733.14 × 5,915.16
  4. Step 4: Simplify right side
    12,498.30x = 110,809,520.40
  5. Step 5: Solve for x
    x = 110,809,520.40/12,498.30
  6. Step 6: Final answer
    x = 8,865.97

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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.