Home / 10,424.46-14,385.29-5,708.64

Finding the Fourth Proportional to 10,424.46, 14,385.29 and 5,708.64

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Solution

The fourth proportional to 10,424.46, 14,385.29 and 5,708.64 is: 7,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.46 : 14,385.29 = 5,708.64 : x
  2. Step 2: Convert to fraction form
    10,424.46/14,385.29 = 5,708.64/x
  3. Step 3: Cross multiply
    10,424.46x = 14,385.29 × 5,708.64
  4. Step 4: Simplify right side
    10,424.46x = 82,120,413.36
  5. Step 5: Solve for x
    x = 82,120,413.36/10,424.46
  6. Step 6: Final answer
    x = 7,877.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.