Home / 9,173.70-12,658.14-5,396.13

Finding the Fourth Proportional to 9,173.70, 12,658.14 and 5,396.13

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Solution

The fourth proportional to 9,173.70, 12,658.14 and 5,396.13 is: 7,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.70 : 12,658.14 = 5,396.13 : x
  2. Step 2: Convert to fraction form
    9,173.70/12,658.14 = 5,396.13/x
  3. Step 3: Cross multiply
    9,173.70x = 12,658.14 × 5,396.13
  4. Step 4: Simplify right side
    9,173.70x = 68,304,969.00
  5. Step 5: Solve for x
    x = 68,304,969.00/9,173.70
  6. Step 6: Final answer
    x = 7,445.74

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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.