Home / 10,393.76-14,344.60-5,918.92

Finding the Fourth Proportional to 10,393.76, 14,344.60 and 5,918.92

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Solution

The fourth proportional to 10,393.76, 14,344.60 and 5,918.92 is: 8,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.76 : 14,344.60 = 5,918.92 : x
  2. Step 2: Convert to fraction form
    10,393.76/14,344.60 = 5,918.92/x
  3. Step 3: Cross multiply
    10,393.76x = 14,344.60 × 5,918.92
  4. Step 4: Simplify right side
    10,393.76x = 84,904,539.83
  5. Step 5: Solve for x
    x = 84,904,539.83/10,393.76
  6. Step 6: Final answer
    x = 8,168.80

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1.5x scale

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.