Home / 8,417.75-12,628.95-3,674.31

Finding the Fourth Proportional to 8,417.75, 12,628.95 and 3,674.31

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Solution

The fourth proportional to 8,417.75, 12,628.95 and 3,674.31 is: 5,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.75 : 12,628.95 = 3,674.31 : x
  2. Step 2: Convert to fraction form
    8,417.75/12,628.95 = 3,674.31/x
  3. Step 3: Cross multiply
    8,417.75x = 12,628.95 × 3,674.31
  4. Step 4: Simplify right side
    8,417.75x = 46,402,677.27
  5. Step 5: Solve for x
    x = 46,402,677.27/8,417.75
  6. Step 6: Final answer
    x = 5,512.48

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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.