Home / 8,931.96-13,396.68-2,358.72

Finding the Fourth Proportional to 8,931.96, 13,396.68 and 2,358.72

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Solution

The fourth proportional to 8,931.96, 13,396.68 and 2,358.72 is: 3,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.96 : 13,396.68 = 2,358.72 : x
  2. Step 2: Convert to fraction form
    8,931.96/13,396.68 = 2,358.72/x
  3. Step 3: Cross multiply
    8,931.96x = 13,396.68 × 2,358.72
  4. Step 4: Simplify right side
    8,931.96x = 31,599,017.05
  5. Step 5: Solve for x
    x = 31,599,017.05/8,931.96
  6. Step 6: Final answer
    x = 3,537.75

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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.