Home / 10,166.49-15,246.09-4,321.13

Finding the Fourth Proportional to 10,166.49, 15,246.09 and 4,321.13

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Solution

The fourth proportional to 10,166.49, 15,246.09 and 4,321.13 is: 6,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.49 : 15,246.09 = 4,321.13 : x
  2. Step 2: Convert to fraction form
    10,166.49/15,246.09 = 4,321.13/x
  3. Step 3: Cross multiply
    10,166.49x = 15,246.09 × 4,321.13
  4. Step 4: Simplify right side
    10,166.49x = 65,880,260.65
  5. Step 5: Solve for x
    x = 65,880,260.65/10,166.49
  6. Step 6: Final answer
    x = 6,480.14

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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.