Home / 7,457.50-11,163.57-4,972.42

Finding the Fourth Proportional to 7,457.50, 11,163.57 and 4,972.42

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Solution

The fourth proportional to 7,457.50, 11,163.57 and 4,972.42 is: 7,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.50 : 11,163.57 = 4,972.42 : x
  2. Step 2: Convert to fraction form
    7,457.50/11,163.57 = 4,972.42/x
  3. Step 3: Cross multiply
    7,457.50x = 11,163.57 × 4,972.42
  4. Step 4: Simplify right side
    7,457.50x = 55,509,958.74
  5. Step 5: Solve for x
    x = 55,509,958.74/7,457.50
  6. Step 6: Final answer
    x = 7,443.51

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Half scale
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Double scale
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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.