Home / 7,216.16-9,958.20-4,073.36

Finding the Fourth Proportional to 7,216.16, 9,958.20 and 4,073.36

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Solution

The fourth proportional to 7,216.16, 9,958.20 and 4,073.36 is: 5,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.16 : 9,958.20 = 4,073.36 : x
  2. Step 2: Convert to fraction form
    7,216.16/9,958.20 = 4,073.36/x
  3. Step 3: Cross multiply
    7,216.16x = 9,958.20 × 4,073.36
  4. Step 4: Simplify right side
    7,216.16x = 40,563,333.55
  5. Step 5: Solve for x
    x = 40,563,333.55/7,216.16
  6. Step 6: Final answer
    x = 5,621.18

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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.