Home / 10,829.68-14,943.48-6,113.20

Finding the Fourth Proportional to 10,829.68, 14,943.48 and 6,113.20

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Solution

The fourth proportional to 10,829.68, 14,943.48 and 6,113.20 is: 8,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.68 : 14,943.48 = 6,113.20 : x
  2. Step 2: Convert to fraction form
    10,829.68/14,943.48 = 6,113.20/x
  3. Step 3: Cross multiply
    10,829.68x = 14,943.48 × 6,113.20
  4. Step 4: Simplify right side
    10,829.68x = 91,352,481.94
  5. Step 5: Solve for x
    x = 91,352,481.94/10,829.68
  6. Step 6: Final answer
    x = 8,435.38

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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.