Home / 7,020.25-10,533.45-3,325.12

Finding the Fourth Proportional to 7,020.25, 10,533.45 and 3,325.12

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Solution

The fourth proportional to 7,020.25, 10,533.45 and 3,325.12 is: 4,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.25 : 10,533.45 = 3,325.12 : x
  2. Step 2: Convert to fraction form
    7,020.25/10,533.45 = 3,325.12/x
  3. Step 3: Cross multiply
    7,020.25x = 10,533.45 × 3,325.12
  4. Step 4: Simplify right side
    7,020.25x = 35,024,985.26
  5. Step 5: Solve for x
    x = 35,024,985.26/7,020.25
  6. Step 6: Final answer
    x = 4,989.14

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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.