Home / 11,938.20-16,463.70-7,460.52

Finding the Fourth Proportional to 11,938.20, 16,463.70 and 7,460.52

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Solution

The fourth proportional to 11,938.20, 16,463.70 and 7,460.52 is: 10,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.20 : 16,463.70 = 7,460.52 : x
  2. Step 2: Convert to fraction form
    11,938.20/16,463.70 = 7,460.52/x
  3. Step 3: Cross multiply
    11,938.20x = 16,463.70 × 7,460.52
  4. Step 4: Simplify right side
    11,938.20x = 122,827,763.12
  5. Step 5: Solve for x
    x = 122,827,763.12/11,938.20
  6. Step 6: Final answer
    x = 10,288.63

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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.