Home / 11,931.33-16,465.65-6,626.23

Finding the Fourth Proportional to 11,931.33, 16,465.65 and 6,626.23

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Solution

The fourth proportional to 11,931.33, 16,465.65 and 6,626.23 is: 9,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.33 : 16,465.65 = 6,626.23 : x
  2. Step 2: Convert to fraction form
    11,931.33/16,465.65 = 6,626.23/x
  3. Step 3: Cross multiply
    11,931.33x = 16,465.65 × 6,626.23
  4. Step 4: Simplify right side
    11,931.33x = 109,105,150.87
  5. Step 5: Solve for x
    x = 109,105,150.87/11,931.33
  6. Step 6: Final answer
    x = 9,144.43

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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.