Home / 12,257.84-18,370.60-4,858.26

Finding the Fourth Proportional to 12,257.84, 18,370.60 and 4,858.26

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Solution

The fourth proportional to 12,257.84, 18,370.60 and 4,858.26 is: 7,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.84 : 18,370.60 = 4,858.26 : x
  2. Step 2: Convert to fraction form
    12,257.84/18,370.60 = 4,858.26/x
  3. Step 3: Cross multiply
    12,257.84x = 18,370.60 × 4,858.26
  4. Step 4: Simplify right side
    12,257.84x = 89,249,151.16
  5. Step 5: Solve for x
    x = 89,249,151.16/12,257.84
  6. Step 6: Final answer
    x = 7,280.99

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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.