Home / 7,157.12-10,730.24-3,692.16

Finding the Fourth Proportional to 7,157.12, 10,730.24 and 3,692.16

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Solution

The fourth proportional to 7,157.12, 10,730.24 and 3,692.16 is: 5,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.12 : 10,730.24 = 3,692.16 : x
  2. Step 2: Convert to fraction form
    7,157.12/10,730.24 = 3,692.16/x
  3. Step 3: Cross multiply
    7,157.12x = 10,730.24 × 3,692.16
  4. Step 4: Simplify right side
    7,157.12x = 39,617,762.92
  5. Step 5: Solve for x
    x = 39,617,762.92/7,157.12
  6. Step 6: Final answer
    x = 5,535.43

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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.