Home / 10,098.93-13,935.60-7,447.80

Finding the Fourth Proportional to 10,098.93, 13,935.60 and 7,447.80

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Solution

The fourth proportional to 10,098.93, 13,935.60 and 7,447.80 is: 10,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.93 : 13,935.60 = 7,447.80 : x
  2. Step 2: Convert to fraction form
    10,098.93/13,935.60 = 7,447.80/x
  3. Step 3: Cross multiply
    10,098.93x = 13,935.60 × 7,447.80
  4. Step 4: Simplify right side
    10,098.93x = 103,789,561.68
  5. Step 5: Solve for x
    x = 103,789,561.68/10,098.93
  6. Step 6: Final answer
    x = 10,277.28

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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.