Home / 9,669.21-13,343.54-5,477.46

Finding the Fourth Proportional to 9,669.21, 13,343.54 and 5,477.46

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Solution

The fourth proportional to 9,669.21, 13,343.54 and 5,477.46 is: 7,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.21 : 13,343.54 = 5,477.46 : x
  2. Step 2: Convert to fraction form
    9,669.21/13,343.54 = 5,477.46/x
  3. Step 3: Cross multiply
    9,669.21x = 13,343.54 × 5,477.46
  4. Step 4: Simplify right side
    9,669.21x = 73,088,679.22
  5. Step 5: Solve for x
    x = 73,088,679.22/9,669.21
  6. Step 6: Final answer
    x = 7,558.91

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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.