Home / 9,154.95-12,633.33-5,175.84

Finding the Fourth Proportional to 9,154.95, 12,633.33 and 5,175.84

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Solution

The fourth proportional to 9,154.95, 12,633.33 and 5,175.84 is: 7,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.95 : 12,633.33 = 5,175.84 : x
  2. Step 2: Convert to fraction form
    9,154.95/12,633.33 = 5,175.84/x
  3. Step 3: Cross multiply
    9,154.95x = 12,633.33 × 5,175.84
  4. Step 4: Simplify right side
    9,154.95x = 65,388,094.75
  5. Step 5: Solve for x
    x = 65,388,094.75/9,154.95
  6. Step 6: Final answer
    x = 7,142.38

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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.