Home / 11,938.92-16,475.99-6,561.63

Finding the Fourth Proportional to 11,938.92, 16,475.99 and 6,561.63

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Solution

The fourth proportional to 11,938.92, 16,475.99 and 6,561.63 is: 9,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.92 : 16,475.99 = 6,561.63 : x
  2. Step 2: Convert to fraction form
    11,938.92/16,475.99 = 6,561.63/x
  3. Step 3: Cross multiply
    11,938.92x = 16,475.99 × 6,561.63
  4. Step 4: Simplify right side
    11,938.92x = 108,109,317.46
  5. Step 5: Solve for x
    x = 108,109,317.46/11,938.92
  6. Step 6: Final answer
    x = 9,055.20

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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.