Home / 9,669.24-13,344.48-5,477.76

Finding the Fourth Proportional to 9,669.24, 13,344.48 and 5,477.76

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Solution

The fourth proportional to 9,669.24, 13,344.48 and 5,477.76 is: 7,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.24 : 13,344.48 = 5,477.76 : x
  2. Step 2: Convert to fraction form
    9,669.24/13,344.48 = 5,477.76/x
  3. Step 3: Cross multiply
    9,669.24x = 13,344.48 × 5,477.76
  4. Step 4: Simplify right side
    9,669.24x = 73,097,858.76
  5. Step 5: Solve for x
    x = 73,097,858.76/9,669.24
  6. Step 6: Final answer
    x = 7,559.83

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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.