Home / 12,275.19-18,412.65-4,483.94

Finding the Fourth Proportional to 12,275.19, 18,412.65 and 4,483.94

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Solution

The fourth proportional to 12,275.19, 18,412.65 and 4,483.94 is: 6,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.19 : 18,412.65 = 4,483.94 : x
  2. Step 2: Convert to fraction form
    12,275.19/18,412.65 = 4,483.94/x
  3. Step 3: Cross multiply
    12,275.19x = 18,412.65 × 4,483.94
  4. Step 4: Simplify right side
    12,275.19x = 82,561,217.84
  5. Step 5: Solve for x
    x = 82,561,217.84/12,275.19
  6. Step 6: Final answer
    x = 6,725.86

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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.