Home / 10,761.51-16,143.07-2,970.25

Finding the Fourth Proportional to 10,761.51, 16,143.07 and 2,970.25

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Solution

The fourth proportional to 10,761.51, 16,143.07 and 2,970.25 is: 4,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.51 : 16,143.07 = 2,970.25 : x
  2. Step 2: Convert to fraction form
    10,761.51/16,143.07 = 2,970.25/x
  3. Step 3: Cross multiply
    10,761.51x = 16,143.07 × 2,970.25
  4. Step 4: Simplify right side
    10,761.51x = 47,948,953.67
  5. Step 5: Solve for x
    x = 47,948,953.67/10,761.51
  6. Step 6: Final answer
    x = 4,455.60

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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.