Home / 7,518.10-11,273.96-3,767.40

Finding the Fourth Proportional to 7,518.10, 11,273.96 and 3,767.40

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Solution

The fourth proportional to 7,518.10, 11,273.96 and 3,767.40 is: 5,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.10 : 11,273.96 = 3,767.40 : x
  2. Step 2: Convert to fraction form
    7,518.10/11,273.96 = 3,767.40/x
  3. Step 3: Cross multiply
    7,518.10x = 11,273.96 × 3,767.40
  4. Step 4: Simplify right side
    7,518.10x = 42,473,516.90
  5. Step 5: Solve for x
    x = 42,473,516.90/7,518.10
  6. Step 6: Final answer
    x = 5,649.50

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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.