Home / 9,039.30-13,561.04-3,494.58

Finding the Fourth Proportional to 9,039.30, 13,561.04 and 3,494.58

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Solution

The fourth proportional to 9,039.30, 13,561.04 and 3,494.58 is: 5,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.30 : 13,561.04 = 3,494.58 : x
  2. Step 2: Convert to fraction form
    9,039.30/13,561.04 = 3,494.58/x
  3. Step 3: Cross multiply
    9,039.30x = 13,561.04 × 3,494.58
  4. Step 4: Simplify right side
    9,039.30x = 47,390,139.16
  5. Step 5: Solve for x
    x = 47,390,139.16/9,039.30
  6. Step 6: Final answer
    x = 5,242.68

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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.