Home / 9,173.10-12,654.53-6,189.89

Finding the Fourth Proportional to 9,173.10, 12,654.53 and 6,189.89

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Solution

The fourth proportional to 9,173.10, 12,654.53 and 6,189.89 is: 8,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.10 : 12,654.53 = 6,189.89 : x
  2. Step 2: Convert to fraction form
    9,173.10/12,654.53 = 6,189.89/x
  3. Step 3: Cross multiply
    9,173.10x = 12,654.53 × 6,189.89
  4. Step 4: Simplify right side
    9,173.10x = 78,330,184.46
  5. Step 5: Solve for x
    x = 78,330,184.46/9,173.10
  6. Step 6: Final answer
    x = 8,539.12

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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.