Home / 12,209.24-16,819.98-10,070.84

Finding the Fourth Proportional to 12,209.24, 16,819.98 and 10,070.84

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Solution

The fourth proportional to 12,209.24, 16,819.98 and 10,070.84 is: 13,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.24 : 16,819.98 = 10,070.84 : x
  2. Step 2: Convert to fraction form
    12,209.24/16,819.98 = 10,070.84/x
  3. Step 3: Cross multiply
    12,209.24x = 16,819.98 × 10,070.84
  4. Step 4: Simplify right side
    12,209.24x = 169,391,327.38
  5. Step 5: Solve for x
    x = 169,391,327.38/12,209.24
  6. Step 6: Final answer
    x = 13,874.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.