Home / 12,488.28-18,732.40-4,596.44

Finding the Fourth Proportional to 12,488.28, 18,732.40 and 4,596.44

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Solution

The fourth proportional to 12,488.28, 18,732.40 and 4,596.44 is: 6,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.28 : 18,732.40 = 4,596.44 : x
  2. Step 2: Convert to fraction form
    12,488.28/18,732.40 = 4,596.44/x
  3. Step 3: Cross multiply
    12,488.28x = 18,732.40 × 4,596.44
  4. Step 4: Simplify right side
    12,488.28x = 86,102,352.66
  5. Step 5: Solve for x
    x = 86,102,352.66/12,488.28
  6. Step 6: Final answer
    x = 6,894.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.