Home / 10,317.99-15,480.36-3,299.16

Finding the Fourth Proportional to 10,317.99, 15,480.36 and 3,299.16

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Solution

The fourth proportional to 10,317.99, 15,480.36 and 3,299.16 is: 4,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.99 : 15,480.36 = 3,299.16 : x
  2. Step 2: Convert to fraction form
    10,317.99/15,480.36 = 3,299.16/x
  3. Step 3: Cross multiply
    10,317.99x = 15,480.36 × 3,299.16
  4. Step 4: Simplify right side
    10,317.99x = 51,072,184.50
  5. Step 5: Solve for x
    x = 51,072,184.50/10,317.99
  6. Step 6: Final answer
    x = 4,949.82

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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.