Home / 10,972.48-16,457.76-3,180.16

Finding the Fourth Proportional to 10,972.48, 16,457.76 and 3,180.16

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Solution

The fourth proportional to 10,972.48, 16,457.76 and 3,180.16 is: 4,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.48 : 16,457.76 = 3,180.16 : x
  2. Step 2: Convert to fraction form
    10,972.48/16,457.76 = 3,180.16/x
  3. Step 3: Cross multiply
    10,972.48x = 16,457.76 × 3,180.16
  4. Step 4: Simplify right side
    10,972.48x = 52,338,310.04
  5. Step 5: Solve for x
    x = 52,338,310.04/10,972.48
  6. Step 6: Final answer
    x = 4,769.96

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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.