Home / 9,930.08-13,703.54-5,453.92

Finding the Fourth Proportional to 9,930.08, 13,703.54 and 5,453.92

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Solution

The fourth proportional to 9,930.08, 13,703.54 and 5,453.92 is: 7,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.08 : 13,703.54 = 5,453.92 : x
  2. Step 2: Convert to fraction form
    9,930.08/13,703.54 = 5,453.92/x
  3. Step 3: Cross multiply
    9,930.08x = 13,703.54 × 5,453.92
  4. Step 4: Simplify right side
    9,930.08x = 74,738,010.88
  5. Step 5: Solve for x
    x = 74,738,010.88/9,930.08
  6. Step 6: Final answer
    x = 7,526.43

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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.