Home / 11,931.74-16,466.10-6,626.42

Finding the Fourth Proportional to 11,931.74, 16,466.10 and 6,626.42

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Solution

The fourth proportional to 11,931.74, 16,466.10 and 6,626.42 is: 9,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.74 : 16,466.10 = 6,626.42 : x
  2. Step 2: Convert to fraction form
    11,931.74/16,466.10 = 6,626.42/x
  3. Step 3: Cross multiply
    11,931.74x = 16,466.10 × 6,626.42
  4. Step 4: Simplify right side
    11,931.74x = 109,111,294.36
  5. Step 5: Solve for x
    x = 109,111,294.36/11,931.74
  6. Step 6: Final answer
    x = 9,144.63

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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.