Home / 7,260.20-10,018.72-4,116.44

Finding the Fourth Proportional to 7,260.20, 10,018.72 and 4,116.44

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Solution

The fourth proportional to 7,260.20, 10,018.72 and 4,116.44 is: 5,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.20 : 10,018.72 = 4,116.44 : x
  2. Step 2: Convert to fraction form
    7,260.20/10,018.72 = 4,116.44/x
  3. Step 3: Cross multiply
    7,260.20x = 10,018.72 × 4,116.44
  4. Step 4: Simplify right side
    7,260.20x = 41,241,459.76
  5. Step 5: Solve for x
    x = 41,241,459.76/7,260.20
  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.