Home / 9,087.42-13,632-3,541.20

Finding the Fourth Proportional to 9,087.42, 13,632 and 3,541.20

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Solution

The fourth proportional to 9,087.42, 13,632 and 3,541.20 is: 5,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.42 : 13,632 = 3,541.20 : x
  2. Step 2: Convert to fraction form
    9,087.42/13,632 = 3,541.20/x
  3. Step 3: Cross multiply
    9,087.42x = 13,632 × 3,541.20
  4. Step 4: Simplify right side
    9,087.42x = 48,273,638.40
  5. Step 5: Solve for x
    x = 48,273,638.40/9,087.42
  6. Step 6: Final answer
    x = 5,312.14

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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.