Home / 12,155.97-16,776.59-7,052.62

Finding the Fourth Proportional to 12,155.97, 16,776.59 and 7,052.62

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Solution

The fourth proportional to 12,155.97, 16,776.59 and 7,052.62 is: 9,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155.97 : 16,776.59 = 7,052.62 : x
  2. Step 2: Convert to fraction form
    12,155.97/16,776.59 = 7,052.62/x
  3. Step 3: Cross multiply
    12,155.97x = 16,776.59 × 7,052.62
  4. Step 4: Simplify right side
    12,155.97x = 118,318,795.02
  5. Step 5: Solve for x
    x = 118,318,795.02/12,155.97
  6. Step 6: Final answer
    x = 9,733.39

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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.