Home / 12,746.70-19,109.07-4,953.69

Finding the Fourth Proportional to 12,746.70, 19,109.07 and 4,953.69

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Solution

The fourth proportional to 12,746.70, 19,109.07 and 4,953.69 is: 7,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.70 : 19,109.07 = 4,953.69 : x
  2. Step 2: Convert to fraction form
    12,746.70/19,109.07 = 4,953.69/x
  3. Step 3: Cross multiply
    12,746.70x = 19,109.07 × 4,953.69
  4. Step 4: Simplify right side
    12,746.70x = 94,660,408.97
  5. Step 5: Solve for x
    x = 94,660,408.97/12,746.70
  6. Step 6: Final answer
    x = 7,426.27

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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.