Home / 10,709.55-16,068.90-4,470.95

Finding the Fourth Proportional to 10,709.55, 16,068.90 and 4,470.95

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Solution

The fourth proportional to 10,709.55, 16,068.90 and 4,470.95 is: 6,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.55 : 16,068.90 = 4,470.95 : x
  2. Step 2: Convert to fraction form
    10,709.55/16,068.90 = 4,470.95/x
  3. Step 3: Cross multiply
    10,709.55x = 16,068.90 × 4,470.95
  4. Step 4: Simplify right side
    10,709.55x = 71,843,168.11
  5. Step 5: Solve for x
    x = 71,843,168.11/10,709.55
  6. Step 6: Final answer
    x = 6,708.33

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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.