Home / 12,318.30-16,994.43-7,594.38

Finding the Fourth Proportional to 12,318.30, 16,994.43 and 7,594.38

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Solution

The fourth proportional to 12,318.30, 16,994.43 and 7,594.38 is: 10,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.30 : 16,994.43 = 7,594.38 : x
  2. Step 2: Convert to fraction form
    12,318.30/16,994.43 = 7,594.38/x
  3. Step 3: Cross multiply
    12,318.30x = 16,994.43 × 7,594.38
  4. Step 4: Simplify right side
    12,318.30x = 129,062,159.30
  5. Step 5: Solve for x
    x = 129,062,159.30/12,318.30
  6. Step 6: Final answer
    x = 10,477.27

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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.