Home / 10,360.41-15,510.51-9,291.82

Finding the Fourth Proportional to 10,360.41, 15,510.51 and 9,291.82

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Solution

The fourth proportional to 10,360.41, 15,510.51 and 9,291.82 is: 13,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.41 : 15,510.51 = 9,291.82 : x
  2. Step 2: Convert to fraction form
    10,360.41/15,510.51 = 9,291.82/x
  3. Step 3: Cross multiply
    10,360.41x = 15,510.51 × 9,291.82
  4. Step 4: Simplify right side
    10,360.41x = 144,120,828.25
  5. Step 5: Solve for x
    x = 144,120,828.25/10,360.41
  6. Step 6: Final answer
    x = 13,910.73

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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.