Home / 7,260.09-10,018.92-4,116.30

Finding the Fourth Proportional to 7,260.09, 10,018.92 and 4,116.30

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Solution

The fourth proportional to 7,260.09, 10,018.92 and 4,116.30 is: 5,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.09 : 10,018.92 = 4,116.30 : x
  2. Step 2: Convert to fraction form
    7,260.09/10,018.92 = 4,116.30/x
  3. Step 3: Cross multiply
    7,260.09x = 10,018.92 × 4,116.30
  4. Step 4: Simplify right side
    7,260.09x = 41,240,880.40
  5. Step 5: Solve for x
    x = 41,240,880.40/7,260.09
  6. Step 6: Final answer
    x = 5,680.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.