Home / 10,191.38-15,284.54-5,751.02

Finding the Fourth Proportional to 10,191.38, 15,284.54 and 5,751.02

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Solution

The fourth proportional to 10,191.38, 15,284.54 and 5,751.02 is: 8,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.38 : 15,284.54 = 5,751.02 : x
  2. Step 2: Convert to fraction form
    10,191.38/15,284.54 = 5,751.02/x
  3. Step 3: Cross multiply
    10,191.38x = 15,284.54 × 5,751.02
  4. Step 4: Simplify right side
    10,191.38x = 87,901,590.05
  5. Step 5: Solve for x
    x = 87,901,590.05/10,191.38
  6. Step 6: Final answer
    x = 8,625.10

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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.