Home / 9,141.31-13,703.86-4,458.70

Finding the Fourth Proportional to 9,141.31, 13,703.86 and 4,458.70

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Solution

The fourth proportional to 9,141.31, 13,703.86 and 4,458.70 is: 6,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.31 : 13,703.86 = 4,458.70 : x
  2. Step 2: Convert to fraction form
    9,141.31/13,703.86 = 4,458.70/x
  3. Step 3: Cross multiply
    9,141.31x = 13,703.86 × 4,458.70
  4. Step 4: Simplify right side
    9,141.31x = 61,101,400.58
  5. Step 5: Solve for x
    x = 61,101,400.58/9,141.31
  6. Step 6: Final answer
    x = 6,684.10

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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.