Home / 11,925.47-16,461.57-10,240.11

Finding the Fourth Proportional to 11,925.47, 16,461.57 and 10,240.11

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Solution

The fourth proportional to 11,925.47, 16,461.57 and 10,240.11 is: 14,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.47 : 16,461.57 = 10,240.11 : x
  2. Step 2: Convert to fraction form
    11,925.47/16,461.57 = 10,240.11/x
  3. Step 3: Cross multiply
    11,925.47x = 16,461.57 × 10,240.11
  4. Step 4: Simplify right side
    11,925.47x = 168,568,287.57
  5. Step 5: Solve for x
    x = 168,568,287.57/11,925.47
  6. Step 6: Final answer
    x = 14,135.15

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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.