Home / 9,121.80-13,688.91-6,003.30

Finding the Fourth Proportional to 9,121.80, 13,688.91 and 6,003.30

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Solution

The fourth proportional to 9,121.80, 13,688.91 and 6,003.30 is: 9,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.80 : 13,688.91 = 6,003.30 : x
  2. Step 2: Convert to fraction form
    9,121.80/13,688.91 = 6,003.30/x
  3. Step 3: Cross multiply
    9,121.80x = 13,688.91 × 6,003.30
  4. Step 4: Simplify right side
    9,121.80x = 82,178,633.40
  5. Step 5: Solve for x
    x = 82,178,633.40/9,121.80
  6. Step 6: Final answer
    x = 9,009.04

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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.