Home / 8,931.94-13,396.95-3,667.50

Finding the Fourth Proportional to 8,931.94, 13,396.95 and 3,667.50

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Solution

The fourth proportional to 8,931.94, 13,396.95 and 3,667.50 is: 5,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.94 : 13,396.95 = 3,667.50 : x
  2. Step 2: Convert to fraction form
    8,931.94/13,396.95 = 3,667.50/x
  3. Step 3: Cross multiply
    8,931.94x = 13,396.95 × 3,667.50
  4. Step 4: Simplify right side
    8,931.94x = 49,133,347.62
  5. Step 5: Solve for x
    x = 49,133,347.62/8,931.94
  6. Step 6: Final answer
    x = 5,500.86

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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.