Home / 10,707.78-16,056.38-4,465.92

Finding the Fourth Proportional to 10,707.78, 16,056.38 and 4,465.92

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Solution

The fourth proportional to 10,707.78, 16,056.38 and 4,465.92 is: 6,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.78 : 16,056.38 = 4,465.92 : x
  2. Step 2: Convert to fraction form
    10,707.78/16,056.38 = 4,465.92/x
  3. Step 3: Cross multiply
    10,707.78x = 16,056.38 × 4,465.92
  4. Step 4: Simplify right side
    10,707.78x = 71,706,508.57
  5. Step 5: Solve for x
    x = 71,706,508.57/10,707.78
  6. Step 6: Final answer
    x = 6,696.67

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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.