Home / 11,200.56-16,808.40-4,626.72

Finding the Fourth Proportional to 11,200.56, 16,808.40 and 4,626.72

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Solution

The fourth proportional to 11,200.56, 16,808.40 and 4,626.72 is: 6,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.56 : 16,808.40 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    11,200.56/16,808.40 = 4,626.72/x
  3. Step 3: Cross multiply
    11,200.56x = 16,808.40 × 4,626.72
  4. Step 4: Simplify right side
    11,200.56x = 77,767,760.45
  5. Step 5: Solve for x
    x = 77,767,760.45/11,200.56
  6. Step 6: Final answer
    x = 6,943.20

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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.