Home / 8,368.24-12,558.12-3,174.16

Finding the Fourth Proportional to 8,368.24, 12,558.12 and 3,174.16

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Solution

The fourth proportional to 8,368.24, 12,558.12 and 3,174.16 is: 4,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.24 : 12,558.12 = 3,174.16 : x
  2. Step 2: Convert to fraction form
    8,368.24/12,558.12 = 3,174.16/x
  3. Step 3: Cross multiply
    8,368.24x = 12,558.12 × 3,174.16
  4. Step 4: Simplify right side
    8,368.24x = 39,861,482.18
  5. Step 5: Solve for x
    x = 39,861,482.18/8,368.24
  6. Step 6: Final answer
    x = 4,763.42

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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.