Home / 12,276.10-16,947.42-9,544.58

Finding the Fourth Proportional to 12,276.10, 16,947.42 and 9,544.58

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Solution

The fourth proportional to 12,276.10, 16,947.42 and 9,544.58 is: 13,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.10 : 16,947.42 = 9,544.58 : x
  2. Step 2: Convert to fraction form
    12,276.10/16,947.42 = 9,544.58/x
  3. Step 3: Cross multiply
    12,276.10x = 16,947.42 × 9,544.58
  4. Step 4: Simplify right side
    12,276.10x = 161,755,921.25
  5. Step 5: Solve for x
    x = 161,755,921.25/12,276.10
  6. Step 6: Final answer
    x = 13,176.49

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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.