Home / 7,972.36-11,947.60-5,045.43

Finding the Fourth Proportional to 7,972.36, 11,947.60 and 5,045.43

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Solution

The fourth proportional to 7,972.36, 11,947.60 and 5,045.43 is: 7,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.36 : 11,947.60 = 5,045.43 : x
  2. Step 2: Convert to fraction form
    7,972.36/11,947.60 = 5,045.43/x
  3. Step 3: Cross multiply
    7,972.36x = 11,947.60 × 5,045.43
  4. Step 4: Simplify right side
    7,972.36x = 60,280,779.47
  5. Step 5: Solve for x
    x = 60,280,779.47/7,972.36
  6. Step 6: Final answer
    x = 7,561.22

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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.