Home / 9,288.45-13,931.07-2,625.42

Finding the Fourth Proportional to 9,288.45, 13,931.07 and 2,625.42

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Solution

The fourth proportional to 9,288.45, 13,931.07 and 2,625.42 is: 3,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.45 : 13,931.07 = 2,625.42 : x
  2. Step 2: Convert to fraction form
    9,288.45/13,931.07 = 2,625.42/x
  3. Step 3: Cross multiply
    9,288.45x = 13,931.07 × 2,625.42
  4. Step 4: Simplify right side
    9,288.45x = 36,574,909.80
  5. Step 5: Solve for x
    x = 36,574,909.80/9,288.45
  6. Step 6: Final answer
    x = 3,937.68

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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.