Home / 9,930.05-13,703.63-5,453.99

Finding the Fourth Proportional to 9,930.05, 13,703.63 and 5,453.99

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Solution

The fourth proportional to 9,930.05, 13,703.63 and 5,453.99 is: 7,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.05 : 13,703.63 = 5,453.99 : x
  2. Step 2: Convert to fraction form
    9,930.05/13,703.63 = 5,453.99/x
  3. Step 3: Cross multiply
    9,930.05x = 13,703.63 × 5,453.99
  4. Step 4: Simplify right side
    9,930.05x = 74,739,460.98
  5. Step 5: Solve for x
    x = 74,739,460.98/9,930.05
  6. Step 6: Final answer
    x = 7,526.59

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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.