Home / 10,707.88-16,061.76-4,783.22

Finding the Fourth Proportional to 10,707.88, 16,061.76 and 4,783.22

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Solution

The fourth proportional to 10,707.88, 16,061.76 and 4,783.22 is: 7,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.88 : 16,061.76 = 4,783.22 : x
  2. Step 2: Convert to fraction form
    10,707.88/16,061.76 = 4,783.22/x
  3. Step 3: Cross multiply
    10,707.88x = 16,061.76 × 4,783.22
  4. Step 4: Simplify right side
    10,707.88x = 76,826,931.67
  5. Step 5: Solve for x
    x = 76,826,931.67/10,707.88
  6. Step 6: Final answer
    x = 7,174.80

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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.