Home / 9,443.54-14,153.70-4,172.87

Finding the Fourth Proportional to 9,443.54, 14,153.70 and 4,172.87

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Solution

The fourth proportional to 9,443.54, 14,153.70 and 4,172.87 is: 6,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,443.54 : 14,153.70 = 4,172.87 : x
  2. Step 2: Convert to fraction form
    9,443.54/14,153.70 = 4,172.87/x
  3. Step 3: Cross multiply
    9,443.54x = 14,153.70 × 4,172.87
  4. Step 4: Simplify right side
    9,443.54x = 59,061,565.94
  5. Step 5: Solve for x
    x = 59,061,565.94/9,443.54
  6. Step 6: Final answer
    x = 6,254.17

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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.