Home / 9,220.66-13,818.22-5,055.64

Finding the Fourth Proportional to 9,220.66, 13,818.22 and 5,055.64

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Solution

The fourth proportional to 9,220.66, 13,818.22 and 5,055.64 is: 7,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.66 : 13,818.22 = 5,055.64 : x
  2. Step 2: Convert to fraction form
    9,220.66/13,818.22 = 5,055.64/x
  3. Step 3: Cross multiply
    9,220.66x = 13,818.22 × 5,055.64
  4. Step 4: Simplify right side
    9,220.66x = 69,859,945.76
  5. Step 5: Solve for x
    x = 69,859,945.76/9,220.66
  6. Step 6: Final answer
    x = 7,576.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.