Home / 7,475.38-11,207.86-5,368.30

Finding the Fourth Proportional to 7,475.38, 11,207.86 and 5,368.30

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Solution

The fourth proportional to 7,475.38, 11,207.86 and 5,368.30 is: 8,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.38 : 11,207.86 = 5,368.30 : x
  2. Step 2: Convert to fraction form
    7,475.38/11,207.86 = 5,368.30/x
  3. Step 3: Cross multiply
    7,475.38x = 11,207.86 × 5,368.30
  4. Step 4: Simplify right side
    7,475.38x = 60,167,113.40
  5. Step 5: Solve for x
    x = 60,167,113.40/7,475.38
  6. Step 6: Final answer
    x = 8,048.71

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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.