Home / 12,276.03-18,416.88-4,484.91

Finding the Fourth Proportional to 12,276.03, 18,416.88 and 4,484.91

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Solution

The fourth proportional to 12,276.03, 18,416.88 and 4,484.91 is: 6,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.03 : 18,416.88 = 4,484.91 : x
  2. Step 2: Convert to fraction form
    12,276.03/18,416.88 = 4,484.91/x
  3. Step 3: Cross multiply
    12,276.03x = 18,416.88 × 4,484.91
  4. Step 4: Simplify right side
    12,276.03x = 82,598,049.28
  5. Step 5: Solve for x
    x = 82,598,049.28/12,276.03
  6. Step 6: Final answer
    x = 6,728.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.