Home / 10,880.38-16,320.57-3,484.81

Finding the Fourth Proportional to 10,880.38, 16,320.57 and 3,484.81

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Solution

The fourth proportional to 10,880.38, 16,320.57 and 3,484.81 is: 5,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.38 : 16,320.57 = 3,484.81 : x
  2. Step 2: Convert to fraction form
    10,880.38/16,320.57 = 3,484.81/x
  3. Step 3: Cross multiply
    10,880.38x = 16,320.57 × 3,484.81
  4. Step 4: Simplify right side
    10,880.38x = 56,874,085.54
  5. Step 5: Solve for x
    x = 56,874,085.54/10,880.38
  6. Step 6: Final answer
    x = 5,227.22

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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.