Home / 9,103.04-13,646.28-3,561.20

Finding the Fourth Proportional to 9,103.04, 13,646.28 and 3,561.20

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Solution

The fourth proportional to 9,103.04, 13,646.28 and 3,561.20 is: 5,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.04 : 13,646.28 = 3,561.20 : x
  2. Step 2: Convert to fraction form
    9,103.04/13,646.28 = 3,561.20/x
  3. Step 3: Cross multiply
    9,103.04x = 13,646.28 × 3,561.20
  4. Step 4: Simplify right side
    9,103.04x = 48,597,132.34
  5. Step 5: Solve for x
    x = 48,597,132.34/9,103.04
  6. Step 6: Final answer
    x = 5,338.56

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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.