Home / 12,082.04-16,665.54-8,729.77

Finding the Fourth Proportional to 12,082.04, 16,665.54 and 8,729.77

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Solution

The fourth proportional to 12,082.04, 16,665.54 and 8,729.77 is: 12,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.04 : 16,665.54 = 8,729.77 : x
  2. Step 2: Convert to fraction form
    12,082.04/16,665.54 = 8,729.77/x
  3. Step 3: Cross multiply
    12,082.04x = 16,665.54 × 8,729.77
  4. Step 4: Simplify right side
    12,082.04x = 145,486,319.22
  5. Step 5: Solve for x
    x = 145,486,319.22/12,082.04
  6. Step 6: Final answer
    x = 12,041.54

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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.