Home / 7,549.02-11,318.31-3,330.21

Finding the Fourth Proportional to 7,549.02, 11,318.31 and 3,330.21

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Solution

The fourth proportional to 7,549.02, 11,318.31 and 3,330.21 is: 4,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.02 : 11,318.31 = 3,330.21 : x
  2. Step 2: Convert to fraction form
    7,549.02/11,318.31 = 3,330.21/x
  3. Step 3: Cross multiply
    7,549.02x = 11,318.31 × 3,330.21
  4. Step 4: Simplify right side
    7,549.02x = 37,692,349.15
  5. Step 5: Solve for x
    x = 37,692,349.15/7,549.02
  6. Step 6: Final answer
    x = 4,993.01

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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.