Home / 11,931.30-16,465.24-6,626.14

Finding the Fourth Proportional to 11,931.30, 16,465.24 and 6,626.14

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Solution

The fourth proportional to 11,931.30, 16,465.24 and 6,626.14 is: 9,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.30 : 16,465.24 = 6,626.14 : x
  2. Step 2: Convert to fraction form
    11,931.30/16,465.24 = 6,626.14/x
  3. Step 3: Cross multiply
    11,931.30x = 16,465.24 × 6,626.14
  4. Step 4: Simplify right side
    11,931.30x = 109,100,985.37
  5. Step 5: Solve for x
    x = 109,100,985.37/11,931.30
  6. Step 6: Final answer
    x = 9,144.10

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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.