Home / 9,190.21-13,756.04-7,320.32

Finding the Fourth Proportional to 9,190.21, 13,756.04 and 7,320.32

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Solution

The fourth proportional to 9,190.21, 13,756.04 and 7,320.32 is: 10,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.21 : 13,756.04 = 7,320.32 : x
  2. Step 2: Convert to fraction form
    9,190.21/13,756.04 = 7,320.32/x
  3. Step 3: Cross multiply
    9,190.21x = 13,756.04 × 7,320.32
  4. Step 4: Simplify right side
    9,190.21x = 100,698,614.73
  5. Step 5: Solve for x
    x = 100,698,614.73/9,190.21
  6. Step 6: Final answer
    x = 10,957.17

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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.