Home / 7,471.23-11,176.05-6,140.01

Finding the Fourth Proportional to 7,471.23, 11,176.05 and 6,140.01

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Solution

The fourth proportional to 7,471.23, 11,176.05 and 6,140.01 is: 9,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.23 : 11,176.05 = 6,140.01 : x
  2. Step 2: Convert to fraction form
    7,471.23/11,176.05 = 6,140.01/x
  3. Step 3: Cross multiply
    7,471.23x = 11,176.05 × 6,140.01
  4. Step 4: Simplify right side
    7,471.23x = 68,621,058.76
  5. Step 5: Solve for x
    x = 68,621,058.76/7,471.23
  6. Step 6: Final answer
    x = 9,184.71

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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.