Home / 12,735.13-19,110.12-5,339.02

Finding the Fourth Proportional to 12,735.13, 19,110.12 and 5,339.02

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Solution

The fourth proportional to 12,735.13, 19,110.12 and 5,339.02 is: 8,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.13 : 19,110.12 = 5,339.02 : x
  2. Step 2: Convert to fraction form
    12,735.13/19,110.12 = 5,339.02/x
  3. Step 3: Cross multiply
    12,735.13x = 19,110.12 × 5,339.02
  4. Step 4: Simplify right side
    12,735.13x = 102,029,312.88
  5. Step 5: Solve for x
    x = 102,029,312.88/12,735.13
  6. Step 6: Final answer
    x = 8,011.64

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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.