Home / 11,925.24-16,461.47-8,949.70

Finding the Fourth Proportional to 11,925.24, 16,461.47 and 8,949.70

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Solution

The fourth proportional to 11,925.24, 16,461.47 and 8,949.70 is: 12,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.24 : 16,461.47 = 8,949.70 : x
  2. Step 2: Convert to fraction form
    11,925.24/16,461.47 = 8,949.70/x
  3. Step 3: Cross multiply
    11,925.24x = 16,461.47 × 8,949.70
  4. Step 4: Simplify right side
    11,925.24x = 147,325,218.06
  5. Step 5: Solve for x
    x = 147,325,218.06/11,925.24
  6. Step 6: Final answer
    x = 12,354.07

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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.