Home / 10,167.66-14,020.29-8,829.54

Finding the Fourth Proportional to 10,167.66, 14,020.29 and 8,829.54

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Solution

The fourth proportional to 10,167.66, 14,020.29 and 8,829.54 is: 12,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.66 : 14,020.29 = 8,829.54 : x
  2. Step 2: Convert to fraction form
    10,167.66/14,020.29 = 8,829.54/x
  3. Step 3: Cross multiply
    10,167.66x = 14,020.29 × 8,829.54
  4. Step 4: Simplify right side
    10,167.66x = 123,792,711.37
  5. Step 5: Solve for x
    x = 123,792,711.37/10,167.66
  6. Step 6: Final answer
    x = 12,175.14

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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.