Home / 7,176.03-9,903.24-4,191.45

Finding the Fourth Proportional to 7,176.03, 9,903.24 and 4,191.45

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Solution

The fourth proportional to 7,176.03, 9,903.24 and 4,191.45 is: 5,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.03 : 9,903.24 = 4,191.45 : x
  2. Step 2: Convert to fraction form
    7,176.03/9,903.24 = 4,191.45/x
  3. Step 3: Cross multiply
    7,176.03x = 9,903.24 × 4,191.45
  4. Step 4: Simplify right side
    7,176.03x = 41,508,935.30
  5. Step 5: Solve for x
    x = 41,508,935.30/7,176.03
  6. Step 6: Final answer
    x = 5,784.39

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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.