Home / 10,321.86-15,486.89-3,302.95

Finding the Fourth Proportional to 10,321.86, 15,486.89 and 3,302.95

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Solution

The fourth proportional to 10,321.86, 15,486.89 and 3,302.95 is: 4,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.86 : 15,486.89 = 3,302.95 : x
  2. Step 2: Convert to fraction form
    10,321.86/15,486.89 = 3,302.95/x
  3. Step 3: Cross multiply
    10,321.86x = 15,486.89 × 3,302.95
  4. Step 4: Simplify right side
    10,321.86x = 51,152,423.33
  5. Step 5: Solve for x
    x = 51,152,423.33/10,321.86
  6. Step 6: Final answer
    x = 4,955.74

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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.