Home / 9,368.37-14,051.03-3,128.13

Finding the Fourth Proportional to 9,368.37, 14,051.03 and 3,128.13

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Solution

The fourth proportional to 9,368.37, 14,051.03 and 3,128.13 is: 4,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.37 : 14,051.03 = 3,128.13 : x
  2. Step 2: Convert to fraction form
    9,368.37/14,051.03 = 3,128.13/x
  3. Step 3: Cross multiply
    9,368.37x = 14,051.03 × 3,128.13
  4. Step 4: Simplify right side
    9,368.37x = 43,953,432.83
  5. Step 5: Solve for x
    x = 43,953,432.83/9,368.37
  6. Step 6: Final answer
    x = 4,691.68

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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.