Home / 10,984.95-16,465.61-4,747.92

Finding the Fourth Proportional to 10,984.95, 16,465.61 and 4,747.92

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Solution

The fourth proportional to 10,984.95, 16,465.61 and 4,747.92 is: 7,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.95 : 16,465.61 = 4,747.92 : x
  2. Step 2: Convert to fraction form
    10,984.95/16,465.61 = 4,747.92/x
  3. Step 3: Cross multiply
    10,984.95x = 16,465.61 × 4,747.92
  4. Step 4: Simplify right side
    10,984.95x = 78,177,349.15
  5. Step 5: Solve for x
    x = 78,177,349.15/10,984.95
  6. Step 6: Final answer
    x = 7,116.77

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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.