Home / 9,968.70-14,947.65-4,125.90

Finding the Fourth Proportional to 9,968.70, 14,947.65 and 4,125.90

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Solution

The fourth proportional to 9,968.70, 14,947.65 and 4,125.90 is: 6,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.70 : 14,947.65 = 4,125.90 : x
  2. Step 2: Convert to fraction form
    9,968.70/14,947.65 = 4,125.90/x
  3. Step 3: Cross multiply
    9,968.70x = 14,947.65 × 4,125.90
  4. Step 4: Simplify right side
    9,968.70x = 61,672,509.14
  5. Step 5: Solve for x
    x = 61,672,509.14/9,968.70
  6. Step 6: Final answer
    x = 6,186.62

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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.