Home / 9,955.78-14,937.64-4,111.02

Finding the Fourth Proportional to 9,955.78, 14,937.64 and 4,111.02

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Solution

The fourth proportional to 9,955.78, 14,937.64 and 4,111.02 is: 6,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.78 : 14,937.64 = 4,111.02 : x
  2. Step 2: Convert to fraction form
    9,955.78/14,937.64 = 4,111.02/x
  3. Step 3: Cross multiply
    9,955.78x = 14,937.64 × 4,111.02
  4. Step 4: Simplify right side
    9,955.78x = 61,408,936.79
  5. Step 5: Solve for x
    x = 61,408,936.79/9,955.78
  6. Step 6: Final answer
    x = 6,168.17

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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.