Home / 9,202.07-12,699.92-5,222.81

Finding the Fourth Proportional to 9,202.07, 12,699.92 and 5,222.81

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Solution

The fourth proportional to 9,202.07, 12,699.92 and 5,222.81 is: 7,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.07 : 12,699.92 = 5,222.81 : x
  2. Step 2: Convert to fraction form
    9,202.07/12,699.92 = 5,222.81/x
  3. Step 3: Cross multiply
    9,202.07x = 12,699.92 × 5,222.81
  4. Step 4: Simplify right side
    9,202.07x = 66,329,313.98
  5. Step 5: Solve for x
    x = 66,329,313.98/9,202.07
  6. Step 6: Final answer
    x = 7,208.08

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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.