Home / 8,983.40-12,396.74-5,004.42

Finding the Fourth Proportional to 8,983.40, 12,396.74 and 5,004.42

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Solution

The fourth proportional to 8,983.40, 12,396.74 and 5,004.42 is: 6,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.40 : 12,396.74 = 5,004.42 : x
  2. Step 2: Convert to fraction form
    8,983.40/12,396.74 = 5,004.42/x
  3. Step 3: Cross multiply
    8,983.40x = 12,396.74 × 5,004.42
  4. Step 4: Simplify right side
    8,983.40x = 62,038,468.57
  5. Step 5: Solve for x
    x = 62,038,468.57/8,983.40
  6. Step 6: Final answer
    x = 6,905.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.