Home / 9,854.90-14,782.68-3,191.23

Finding the Fourth Proportional to 9,854.90, 14,782.68 and 3,191.23

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Solution

The fourth proportional to 9,854.90, 14,782.68 and 3,191.23 is: 4,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.90 : 14,782.68 = 3,191.23 : x
  2. Step 2: Convert to fraction form
    9,854.90/14,782.68 = 3,191.23/x
  3. Step 3: Cross multiply
    9,854.90x = 14,782.68 × 3,191.23
  4. Step 4: Simplify right side
    9,854.90x = 47,174,894.94
  5. Step 5: Solve for x
    x = 47,174,894.94/9,854.90
  6. Step 6: Final answer
    x = 4,786.95

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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.