Home / 11,938.68-16,475.13-6,633.18

Finding the Fourth Proportional to 11,938.68, 16,475.13 and 6,633.18

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Solution

The fourth proportional to 11,938.68, 16,475.13 and 6,633.18 is: 9,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.68 : 16,475.13 = 6,633.18 : x
  2. Step 2: Convert to fraction form
    11,938.68/16,475.13 = 6,633.18/x
  3. Step 3: Cross multiply
    11,938.68x = 16,475.13 × 6,633.18
  4. Step 4: Simplify right side
    11,938.68x = 109,282,502.81
  5. Step 5: Solve for x
    x = 109,282,502.81/11,938.68
  6. Step 6: Final answer
    x = 9,153.65

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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.