Home / 12,253.55-18,384.41-4,860.14

Finding the Fourth Proportional to 12,253.55, 18,384.41 and 4,860.14

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Solution

The fourth proportional to 12,253.55, 18,384.41 and 4,860.14 is: 7,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.55 : 18,384.41 = 4,860.14 : x
  2. Step 2: Convert to fraction form
    12,253.55/18,384.41 = 4,860.14/x
  3. Step 3: Cross multiply
    12,253.55x = 18,384.41 × 4,860.14
  4. Step 4: Simplify right side
    12,253.55x = 89,350,726.65
  5. Step 5: Solve for x
    x = 89,350,726.65/12,253.55
  6. Step 6: Final answer
    x = 7,291.83

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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.