Home / 12,256.08-16,916.27-7,479.97

Finding the Fourth Proportional to 12,256.08, 16,916.27 and 7,479.97

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Solution

The fourth proportional to 12,256.08, 16,916.27 and 7,479.97 is: 10,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.08 : 16,916.27 = 7,479.97 : x
  2. Step 2: Convert to fraction form
    12,256.08/16,916.27 = 7,479.97/x
  3. Step 3: Cross multiply
    12,256.08x = 16,916.27 × 7,479.97
  4. Step 4: Simplify right side
    12,256.08x = 126,533,161.74
  5. Step 5: Solve for x
    x = 126,533,161.74/12,256.08
  6. Step 6: Final answer
    x = 10,324.12

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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.