Home / 11,931.06-16,465.41-6,626.10

Finding the Fourth Proportional to 11,931.06, 16,465.41 and 6,626.10

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Solution

The fourth proportional to 11,931.06, 16,465.41 and 6,626.10 is: 9,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.06 : 16,465.41 = 6,626.10 : x
  2. Step 2: Convert to fraction form
    11,931.06/16,465.41 = 6,626.10/x
  3. Step 3: Cross multiply
    11,931.06x = 16,465.41 × 6,626.10
  4. Step 4: Simplify right side
    11,931.06x = 109,101,453.20
  5. Step 5: Solve for x
    x = 109,101,453.20/11,931.06
  6. Step 6: Final answer
    x = 9,144.32

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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.