Home / 9,006.35-13,418.91-8,503.34

Finding the Fourth Proportional to 9,006.35, 13,418.91 and 8,503.34

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Solution

The fourth proportional to 9,006.35, 13,418.91 and 8,503.34 is: 12,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.35 : 13,418.91 = 8,503.34 : x
  2. Step 2: Convert to fraction form
    9,006.35/13,418.91 = 8,503.34/x
  3. Step 3: Cross multiply
    9,006.35x = 13,418.91 × 8,503.34
  4. Step 4: Simplify right side
    9,006.35x = 114,105,487.06
  5. Step 5: Solve for x
    x = 114,105,487.06/9,006.35
  6. Step 6: Final answer
    x = 12,669.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.