Home / 12,141.27-16,762.68-8,795.16

Finding the Fourth Proportional to 12,141.27, 16,762.68 and 8,795.16

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Solution

The fourth proportional to 12,141.27, 16,762.68 and 8,795.16 is: 12,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.27 : 16,762.68 = 8,795.16 : x
  2. Step 2: Convert to fraction form
    12,141.27/16,762.68 = 8,795.16/x
  3. Step 3: Cross multiply
    12,141.27x = 16,762.68 × 8,795.16
  4. Step 4: Simplify right side
    12,141.27x = 147,430,452.63
  5. Step 5: Solve for x
    x = 147,430,452.63/12,141.27
  6. Step 6: Final answer
    x = 12,142.92

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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.