Home / 11,993.58-16,557.12-9,298.74

Finding the Fourth Proportional to 11,993.58, 16,557.12 and 9,298.74

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Solution

The fourth proportional to 11,993.58, 16,557.12 and 9,298.74 is: 12,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.58 : 16,557.12 = 9,298.74 : x
  2. Step 2: Convert to fraction form
    11,993.58/16,557.12 = 9,298.74/x
  3. Step 3: Cross multiply
    11,993.58x = 16,557.12 × 9,298.74
  4. Step 4: Simplify right side
    11,993.58x = 153,960,354.03
  5. Step 5: Solve for x
    x = 153,960,354.03/11,993.58
  6. Step 6: Final answer
    x = 12,836.90

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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.