Home / 11,462.28-15,819.06-6,426.51

Finding the Fourth Proportional to 11,462.28, 15,819.06 and 6,426.51

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Solution

The fourth proportional to 11,462.28, 15,819.06 and 6,426.51 is: 8,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.28 : 15,819.06 = 6,426.51 : x
  2. Step 2: Convert to fraction form
    11,462.28/15,819.06 = 6,426.51/x
  3. Step 3: Cross multiply
    11,462.28x = 15,819.06 × 6,426.51
  4. Step 4: Simplify right side
    11,462.28x = 101,661,347.28
  5. Step 5: Solve for x
    x = 101,661,347.28/11,462.28
  6. Step 6: Final answer
    x = 8,869.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.