Home / 13,170.04-19,755.58-5,770.84

Finding the Fourth Proportional to 13,170.04, 19,755.58 and 5,770.84

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Solution

The fourth proportional to 13,170.04, 19,755.58 and 5,770.84 is: 8,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.04 : 19,755.58 = 5,770.84 : x
  2. Step 2: Convert to fraction form
    13,170.04/19,755.58 = 5,770.84/x
  3. Step 3: Cross multiply
    13,170.04x = 19,755.58 × 5,770.84
  4. Step 4: Simplify right side
    13,170.04x = 114,006,291.29
  5. Step 5: Solve for x
    x = 114,006,291.29/13,170.04
  6. Step 6: Final answer
    x = 8,656.49

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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.