Home / 10,953.12-16,424.76-3,160.12

Finding the Fourth Proportional to 10,953.12, 16,424.76 and 3,160.12

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Solution

The fourth proportional to 10,953.12, 16,424.76 and 3,160.12 is: 4,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.12 : 16,424.76 = 3,160.12 : x
  2. Step 2: Convert to fraction form
    10,953.12/16,424.76 = 3,160.12/x
  3. Step 3: Cross multiply
    10,953.12x = 16,424.76 × 3,160.12
  4. Step 4: Simplify right side
    10,953.12x = 51,904,212.57
  5. Step 5: Solve for x
    x = 51,904,212.57/10,953.12
  6. Step 6: Final answer
    x = 4,738.76

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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.