Home / 12,199.04-16,836-7,485.92

Finding the Fourth Proportional to 12,199.04, 16,836 and 7,485.92

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Solution

The fourth proportional to 12,199.04, 16,836 and 7,485.92 is: 10,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.04 : 16,836 = 7,485.92 : x
  2. Step 2: Convert to fraction form
    12,199.04/16,836 = 7,485.92/x
  3. Step 3: Cross multiply
    12,199.04x = 16,836 × 7,485.92
  4. Step 4: Simplify right side
    12,199.04x = 126,032,949.12
  5. Step 5: Solve for x
    x = 126,032,949.12/12,199.04
  6. Step 6: Final answer
    x = 10,331.38

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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.