Home / 9,669.53-13,343.50-5,477.81

Finding the Fourth Proportional to 9,669.53, 13,343.50 and 5,477.81

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Solution

The fourth proportional to 9,669.53, 13,343.50 and 5,477.81 is: 7,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.53 : 13,343.50 = 5,477.81 : x
  2. Step 2: Convert to fraction form
    9,669.53/13,343.50 = 5,477.81/x
  3. Step 3: Cross multiply
    9,669.53x = 13,343.50 × 5,477.81
  4. Step 4: Simplify right side
    9,669.53x = 73,093,157.74
  5. Step 5: Solve for x
    x = 73,093,157.74/9,669.53
  6. Step 6: Final answer
    x = 7,559.12

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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.